First Cousin 5X Removed : First Cousin . Genetically speaking you share 1/128 alleles of genes with random strangers. Third Cousin, Second Cousin, First Cousin Defined. Third cousins share a set of great-great-grandparents, but they do not have the same great-grandparents. (Your fourth cousin only shares your great great great grandparents.) Third cousins are the grandchildren of first cousins. If your closest relative is a great grandparent, but there is one generation gap, are you third cousin' Are they removed' Let's take a look at what those cousin terms mean, and how you can figure them out in your family tree. Third Cousin: The great-grandchild of your great-great-aunt or great-great-uncle. Cousin First Cousin . A child of one's aunt or uncle. This pattern continues throughout each generation. Definition of third cousin in the Definitions.net dictionary. 6X Removed : First Cousin … Information and translations of third cousin in the most comprehensive dictionary definitions resource on the web. There’s a good chance you have third and fourth cousins you’ve never even met. A third cousin is someone who only shares great great grandparents with you. Polly's grandchildren and Lilly's grandchildren would be third cousins, as they share a set of great-great-grandparents but have three generations between them and a common ancestor. Removed : When the word "removed" is used to describe a relationship, it indicates that … 2. meaning of a half-third cousin; meaning of a half-fourth; We all have lots of half cousins, whether they are half-first, half-second, half-third, half-fourth, half-fifth or half-sixth cousins. Degrees of "Cousin-ness" Terms like "first cousin" and "second cousin" refer to what I call the degrees of "cousin-ness." So, for example, a first cousin once removed is either the child of your first cousin or the parent of your second cousin. So as soon as you hit that 1/128 with someone it isn’t incest by scientific standards. It’s the child of one of your parents’ second cousins. First Cousin Three Times Removed: Second Cousin Twice Removed: Third Cousin Once Removed: Fourth Cousin Also called first cousin . First cousin is the child of my aunt and uncle or people in my family who have the same grandparents as me. Second cousins have the same great grandparents as me, but not the same grandparents. Third, Fourth, and Fifth Cousins: Your third cousins have the same great-great-grandparents, fourth cousins have the same great-great-great-grandparents, and so on. 3rd cousin synonyms, 3rd cousin pronunciation, 3rd cousin translation, English dictionary definition of 3rd cousin. Twice Removed : First Cousin 3X Removed . Meaning of third cousin. 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