third-cousin-once-removed

1- Parent's third-cousin.
2- Third-cousin's child.

third-cousin-once-removed.

by Simaduria July 27, 2024

great-great-grandchild

Great-grandchild's child.

great-great-grandchild.

by Simaduria July 26, 2024

irregular-double-cousin

1- Aunt (parent's sister)'s child and half-uncle (other parent's half-brother)'s child simultaneously.
2- Half-aunt (parent's half-sister)'s child and uncle (other parent's brother)'s child simultaneously.
3- Living being that has zero parents and three grandparents in common with another living being.

Irregular-double-cousin.

by Simaduria July 26, 2024

great-great-great-granduncle

Great-great-great-grandparent's brother.

great-great-great-granduncle.

by Simaduria July 27, 2024

irregular-sextuple-third-cousin

Living being that has zero parents, zero grandparents, zero great-grandparents and eleven great-great-grandparents in common with other living beings.

irregular-sextuple-third-cousin.

by Simaduria July 26, 2024

step-great-grandchild-in-law

Step-great-grandchild's spouse.

step-great-grandchild-in-law.

by Simaduria July 27, 2024

first-cousin-four-times-removed

1- Great-great-grandparent's cousin.
2- Cousin's great-great-grandchild.

first-cousin-four-times-removed.

by Simaduria July 27, 2024