A Possible 7th Cousin

Discussions concerning Autosomal DNA.

Moderator: CeCeMoore

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Posts: 6
Joined: Wed Mar 14, 2012 3:40 pm

YDNA:
I1 Z73+ L1302+
MtDNA:
U5b1b1a1
PostPosted: Mon Mar 10, 2014 3:18 am
I've had my wife, her brother, and their maternal 1st cousin do the FTDNA FF test. Their paper trail family tree has a roadblock, not knowing the maiden name of a 3rd great grandmother, Mary. I've long suspected (so my bias) Mary's father was Christopher Crandall, a U.S. Revolutionary War Vet., and his pension application is the source of my suspicion as it has the name of a daughter, Polly.

The other day, while comparing them to their in-common FF matches there was a match (2nd to 4th cousin) who listed an ancestral surname - Crandall. There is a well documented Crandall genealogy available, and using it, my wife, her brother, and their cousin would be 7th cousins to this match.

They match him on 16 to 12 mostly small segments. But chromosome 12 has a larger chunk for the guys but a smaller segment for my wife. Here's the breakdown of how they match up to their possible 7th cousin:

Brother-in-law, 22.24 cM, 2888 SNPs, 118094868 - 127860834
Cousin, 22.84 cM, 2888 SNPs, 118094868 - 127860834
Wife, 9.08 cM, 1155 SNPs, 125040229 - 127860834

What are the odds this is true and they are IBD?

Any insight is greatly appreciated.

Thanks, Roy
I1: [color=#00BF40]Z73+ L1302+

Most distant paternal ancestor: Lauri Luukila (Lars Sluuk in Swedish) b. abt. 1450 (unknown place) and d. (unknown date) at Haukipudas, Finland. The Slukk family lived at Åland Island c. 1200s.
User avatar
Posts: 6
Joined: Wed Mar 14, 2012 3:40 pm

YDNA:
I1 Z73+ L1302+
MtDNA:
U5b1b1a1
PostPosted: Mon Mar 10, 2014 11:42 pm
I got a reply from a knowledgeable source (off list) saying it is indeed IBD. I thought so myself but needed a confirmation from someone more expert that me.
I1: [color=#00BF40]Z73+ L1302+

Most distant paternal ancestor: Lauri Luukila (Lars Sluuk in Swedish) b. abt. 1450 (unknown place) and d. (unknown date) at Haukipudas, Finland. The Slukk family lived at Åland Island c. 1200s.

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