Genealogy Relationship Chart
	1	2	3	4	5	6	7	8	9	10
1	Common Ancestors	Child	Grandchild	Great Grandchild	2nd Great Grandchild	3rd Great Grandchild	4th Great Grandchild	5th Great Grandchild	6th Great Grandchild	7th Great Grandchild
2	Child	Brother / Sister	Niece / Nephew	Grand Niece / Nephew	Great Grand Niece / Nephew	2nd Great Grand Niece / Nephew	3rd Great Grand Niece / Nephew	4th Great Grand Niece / Nephew	5th Great Grand Niece / Nephew	6th Great Grand Niece / Nephew
3	Grandchild	Niece / 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 Grandchild	Grand Niece / 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 Grandchild	Great Grand Niece / 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	Third Cousin Five Times Removed
6	3rd Great Grandchild	2nd Great Grand Niece / 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 Grandchild	3rd Great Grand Niece / 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 Grandchild	4th Great Grand Niece / 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 Grandchild	5th Great Grand Niece / 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 Grandchild	6th Great Grand Niece / 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
1.	Select two people who have a common ancestor.
2.	Select the relationship to the common ancestor on the top row for the first person and the relationship to the common ancestor in the left column for the second person
3.	The relationship of the two people is in the box where the row & column intersect.
4.	If the two persons descend from different spouses of the common ancestor they would be ½ relationship.
							Baltimore County Genealogical Society