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27 August 2026

What Is a First Cousin Twice Removed? (With Relationship Chart)

First cousin once removed and second cousin twice removed are common searches. Here's the one that ties them together, explained with a simple chart and diagram.

What Is a First Cousin Twice Removed? (With Relationship Chart) - My rOoOts family tree

What Is a First Cousin Twice Removed? (With Relationship Chart)

If "second cousin twice removed" and "first cousin once removed" already made your head spin, you're not alone. "Removed" is the single most misunderstood word in family relationship terminology. Once you understand what it actually measures, though, working out any cousin relationship becomes simple arithmetic instead of guesswork. Here's exactly what a first cousin twice removed is, with a chart you can use for your own family.

The Two Parts of the Term

Every cousin term has two components, and they answer two completely different questions:

  • "First cousin" tells you how closely related you are by shared ancestry, specifically, that you and this person share a set of grandparents (not parents, which would make you siblings).
  • "Twice removed" tells you how many generations separate you from that person. "Removed" simply means you're in different generations. Once removed means one generation apart. Twice removed means two generations apart.

So a first cousin twice removed is someone who shares your first-cousin relationship's ancestry, but sits two generations away from you, either two generations up or two generations down your family tree.

Two Ways to Be First Cousins, Twice Removed

There are always two directions this relationship can run:

  • Downward: Your first cousin's grandchild is your first cousin, twice removed.
  • Upward: Your grandparent's first cousin is also your first cousin, twice removed.

Both people hold the exact same label. "Twice removed" doesn't specify direction, only distance.

Great-Great-Grandparent
└── Great-Grandparent A
    └── Grandparent
        └── Parent
            └── You
└── Great-Grandparent B (sibling of Great-Grandparent A)
    └── First cousin of your grandparent
        └── Their child (your parent's first cousin, once removed)
            └── Their grandchild (your first cousin, twice removed)

A Quick Reference Chart

If you already know how "cousin" and "removed" combine, this chart covers the relationships people search for most:

RelationshipWhat It Means
First cousinShares your grandparents
First cousin, once removedYour first cousin's child, or your parent's first cousin
First cousin, twice removedYour first cousin's grandchild, or your grandparent's first cousin
Second cousinShares your great-grandparents
Second cousin, once removedYour second cousin's child, or your parent's second cousin
Second cousin, twice removedYour second cousin's grandchild, or your grandparent's second cousin

The pattern holds no matter how far out you go: the cousin number depends on the closest shared ancestor's generation, and "removed" just counts the generation gap between the two people being compared.

Why This Relationship Feels So Confusing

Most people never encounter a first cousin twice removed in daily life the way they encounter a sibling or a first cousin, so there's no everyday shorthand for it. It typically only comes up in two situations:

  • Family tree research, when you're mapping out how a distant relative from an old record connects to your direct line.
  • Family reunions or estate matters, where someone needs to explain exactly how a much-older or much-younger relative fits in.

Because the relationship spans generations, the age gap can be surprisingly large or small. A first cousin twice removed could be your grandmother's age, or your grandchild's age, depending on which direction the "removed" runs and how many children each generation had.

How This Comes Up in Genealogy Research

When you're building out a family tree, especially one that reaches back three or four generations, you'll run into "twice removed" relationships constantly, even if you never use the term out loud. It typically shows up when:

  • You find a shared ancestor several generations back and need to describe how a newly discovered relative connects to your own line.
  • You're comparing DNA matches, since DNA testing services often label matches using exactly this terminology.
  • You're organizing a family reunion and want name tags or a chart that make everyone's connection clear at a glance.

Having a family tree tool that calculates these relationships automatically saves you from doing this math by hand every time a new relative turns up in the records.

Frequently Asked Questions

What is a first cousin twice removed in simple terms?

It's either your first cousin's grandchild, or your grandparent's first cousin. Both relationships carry the same label because "twice removed" only measures the generation gap, not the direction.

Is a first cousin twice removed a blood relative?

Yes. You share a common ancestor, the same great-great-grandparent whose two children eventually led to your grandparent's generation on one side and your own generation on the other, several steps removed.

How is a first cousin twice removed different from a second cousin?

A first cousin twice removed shares your grandparents' generation as the closest common ancestor point but sits two generations apart in age or descent. A second cousin, by contrast, shares great-grandparents with you directly, in the same generation as you.

Can a first cousin twice removed be older or younger than you?

Either. If they're your first cousin's grandchild, they're almost always younger. If they're your grandparent's first cousin, they're almost always older, sometimes by 40 to 60 years, since two full generations separate you.

Do DNA testing sites use this same terminology?

Yes. Services like AncestryDNA and 23andMe label predicted relatives using the same cousin-and-removed system described here, so understanding it makes your DNA match list far easier to read.

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