blood relationship
Mom's cousin
First cousin once removed
Definition
Your mom’s first cousin is your first cousin once removed. You share great-grandparents with that person, but they are one generation above you.
How the relationship works
Path: you → mother → cousin. That expands to shared great-grandparents with distances 3 and 2.
Example path
First cousin once removed
Path: You → Mother → Cousin
Cousin degree equals min(3, 2) − 1 = 1. Removal equals |3 − 2| = 1. Person A is 3 generations from the shared ancestor; person B is 2 generations away. Along this path, you are 3 generations from the shared ancestor (great-grandparent), and the other person is 2 generations from that ancestor.
Frequently confused with
- Aunt
- Second cousin
FAQ
What is my mom's cousin's child to me?
Your second cousin.