Olenberg.org
OK. You know that your mother's or
father's brother is your uncle. But you probably had the same
experience that many of us had, while growing up...that is, you found
out, after many years, that your beloved "uncle" was really your
cousin, or your great-uncle, ornot "family" at all! Do you want to know
what you really
should have called him or how he was actually related to you?
The notes and charts below, gathered from various
web sources, will help you understand our often complicated
family relationships.
Blood Relatives
Most of the words used on family trees are ones we use every day - father, mother, brother, sister, son, daughter. Common to all terms is the fact that they define people in terms of their relationships with one another, and particularly with you the researcher. The following glossary sets these out to help you to describe the relationships between family members that are related through blood (as opposed to marriage).
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Related by Marriage
There are also terms that describe the people that are related to you when you marry (through your spouse). Although they share no blood-ties, they become part of your family tree. There are also specialist terms to denote the relationships created by subsequent marriages.
It is important to remember that these terms were not used so accurately in the past. Even documents such as wills may describe people as cousins or brothers when they were, in fact, no such thing - they may legitimately be half-brothers or related solely through marriage, rather than "by blood". Even today the phrase 'uncle' or 'aunt' can be used as a term of endearment to describe someone who is not an uncle or maybe not be related by blood or marriage...someone who would be more accurately described as a 'close family friend'. (Or, as mentioned initially, the uncle may be a relative but, by no means, an actual uncle.)
Counting the Generations
All of your siblings and cousins form one generation. Going backwards in time: your parents and their siblings form another generation; and your grandparents and their siblings make up a another generation, and so on. It's the same thing going forward in time: Your children and and your siblings' children are first cousins and constitute the same generation, your grand children and your siblings' grandchildren are of the same generation, and so on.. Starting with the oldest generation known, the top level of the family tree will be the first generation, followed by their children (second generation) and so on, assigning each successive generation a higher number. To describe someone from a generation prior to your grandparents, simply add 'great' or 'grand' to their title - hence the mother and father of your grandparents are your great grandmother and great grandfather; and the siblings of your grandparents are known as great aunts or great uncles; or grand aunts/uncles. Each time you move back another generation, simply add another great!
Cousins & the Generations: Going forward past siblings is where it starts to get "fun"...confusing, that is: You could be related to people from several, or many, generations, and yet you are all still "cousins". How does one more accurately describe the relationships? With cousin-numbers and numbers "removed". How far you and another cousin are decended from your common ancestor will determine what number cousins you are; and the differences between what generation you are your cousin are part of will determine how how many times "removed" the later cousin's generation is from the cousin that is part of the earlier generation. Got it?
For example: If you and your cousin are both part of the 4th generation after your common ancestor (say, your great-great grandfather), then you are 3rd cousins. [Going backward, the generations that are intervening between yourselves and the common ancestor were, or are...in relation to others of their same generation: 2nd cousins, 1st cousins, & then siblings.] But, each of you is a 2nd cousin, once removed from each other's parents [who are in the same generation & second cousins to each other]. You are each a first cousin, twice removed from each other's grand-parents (who were in the same generation & are/were first cousins to each other). And, their parents, the children of the common ancestor of the both of you, are you and your 3rd cousins' respective great, grand uncles/aunts.
Just remember that there is no "removed" if you are talking about the relationship between 2 people that are part of the same generation after a common ancestor. The number of times removed only comes into play when discussing the relationship between cousins in different generations. And, the convention is that the person in the later generation is "so many times removed" from the earlier of the two generations that the cousins are part of. Thus, you and your third cousin would be a 3rd cousin, once removed, to each other's children...and vice versa. You would be 3rd cousins, twice removed, of each other's grandchildren...and your third cousin's grandchildren would also be 3rd cousins, twice removed from you. But, in this example, the children & grandchildren, discussed, would be 4th & 5th cousins, respectively, of the cousins that are in the same generation number after the common ancestor. Simple, huh?
For your "final
examination", watch & listen to "I'm
My Own Grandpa", by Ray
Stevens, below, and try to follow along:
If you did follow along, then you figured out that the strange relationships referenced in the song, are somewhat "bogus". The confusion arises from a failure of the song to differentiate between "blood relatives" & "pseudo-relatives"...that is, those resulting from the close marriages, as "step-" this or "step-" that; or failure to differentieate between "blood relations" and "in-laws". Thus, you certainly can't be your own physical grandfather, but it is very possible to be your own step-grandfather in-law, or some such nonsense. In fact, these types of "relationships" do occur and, as in the case of the song, it's legal! There is no intermarriage if a parent marries a step grand-child from a former first marriage. And, it does make for a good song and a great riddle! |
Family Tree Symbols
Certain symbols or abbreviations are typically used to denote relationships between family members, and as well as other information, in genealogy or on the family tree. Vertical lines show relationships between parents and their offspring; whilst horizontal lines link the siblings from one set of parents. Dotted lines signified presumed or unconfirmed links. The symbol '= ' is used to indicate a marriage. It is best to use the following abbreviations when assigning information to key events on family trees, because they are more or less universal:
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GENERATIONAL RELATIONSHIPS
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
1 |
Common
Ancestor |
Son or
Daughter |
Grandson or
Daughter |
Great
Grandson or Daughter |
2nd Great
Grandson or Daughter |
3rd Great
Grandson or Daughter |
4th Great
Grandson or Daughter |
5th Great
Grandson or Daughter |
6th Great
Grandson or Daughter |
7th Great Grandson or Daughter |
2 |
Son or Daughter |
Brother or Sister |
Niece
or |
Grand
Niece |
Great Grand Niece or Nephew |
2nd Great Grand Niece or Nephew |
3rd Great Grand Niece or Nephew |
4th Great Grand Niece or Nephew |
5th Great Grand Niece or Nephew |
6th Great Grand Niece or Nephew |
3 |
Grandson or Daughter |
Niece or Nephew |
First Cousin |
First Cousin Once Removed |
First Cousin Twice Removed |
First Cousin Three Times Removed |
First Cousin Four Times Removed |
First Cousin Five Times Removed |
First Cousin Six Times Removed |
First Cousin Seven Times Removed |
4 |
Great Grandson or Daughter |
Grand Niece or Nephew |
First Cousin Once Removed |
Second Cousin |
Second Cousin Once Removed |
Second Cousin Twice Removed |
Second Cousin Three Times Removed |
Second Cousin Four Times Removed |
Second Cousin Five Times Removed |
Second Cousin Six Times Removed |
5 |
2nd Great Grandson or Daughter |
Great Grand Niece or Nephew |
First Cousin Twice Removed |
Second Cousin Once Removed |
Third Cousin |
Third Cousin Once Removed |
Third Cousin Twice Removed |
Third Cousin Three Times Removed |
Third Cousin Four Times Removed |
Second Cousin Five Times Removed |
6 |
3rd Great Grandson or Daughter |
2nd Great Grand Niece or Nephew |
First Cousin Three Times Removed |
Second Cousin Twice Removed |
Third Cousin Once Removed |
Fourth Cousin |
Fourth Cousin Once Removed |
Fourth Cousin Twice Removed |
Fourth Cousin Three Times Removed |
Fourth Cousin Four Times Removed |
7 |
4th Great Grandson or Daughter |
3rd Great Grand Niece or Nephew |
First Cousin Four Times Removed |
Second Cousin Three Times Removed |
Third Cousin Twice Removed |
Fourth Cousin Once Removed |
Fifth Cousin |
Fifth Cousin Once Removed |
Fifth Cousin Twice Removed |
Fifth Cousin Three Times Removed |
8 |
5th Great Grandson or Daughter |
4th Great Grand Niece or Nephew |
First Cousin Five Times Removed |
Second Cousin Four Times Removed |
Third Cousin Three Times Removed |
Fourth Cousin Twice Removed |
Fifth Cousin Once Removed |
Sixth Cousin |
Sixth Cousin Once Removed |
Sixth Cousin Twice Removed |
9 |
6th Great Grandson or Daughter |
5th Great Grand Niece or Nephew |
First Cousin Six Times Removed |
Second Cousin Five Times Removed |
Third Cousin Four Times Removed |
Fourth Cousin Three Times Removed |
Fifth Cousin Twice Removed |
Sixth Cousin Once Removed |
Seventh Cousin |
Seventh Cousin Once Removed |
10 |
7th Great Grandson or Daughter |
6th Great Grand Niece or Nephew |
First Cousin Seven Times Removed |
Second Cousin Six Times Removed |
Third Cousin Five Times Removed |
Fourth Cousin Four Times Removed |
Fifth Cousin Three Times Removed |
Sixth Cousin Twice Removed |
Seventh Cousin Once Removed |
Eighth Cousin |
Select two people in your family and figure out which ancestor they have in common. For example, if you chose yourself and a first cousin, you would have a grandparent in common.*** NOTE: If the two people have more than one common ancestor, determine which ancestor is the closest to both people. (For example, if a grandparent is common to both, great-grandparents would be also. But the grandparent is the one that would be used in the chart.)
Look at the top row of the chart (in blue) and find the first person's relationship to the common ancestor.
Look at the far left column of the chart (in blue) and find the second person's relationship to the common ancestor.
Move across the columns and down the rows to determine where the row and column containing these two relationships (from #2 & #3) meet. This box is the relationship between the two individuals.
***NOTE: If the two people have more than one common ancestor, determine which ancestor is the closest to both people. (For example, if a grandparent is common to both, their great-grandparents would be also. But the grandparent is the one that would be used in the chart.)
If this chart is confusing, a somewhat less detailed chart can be found here.
Source: About.com, et al