Who is your grandfather's brother and sister?
The father of your mother or father. But note the inconsistent use of grand and great. The brother and sister of your grandfather is your great uncle and great aunt (vide infra, Great Uncle, Grand Nephew). Presumably the word stems from the French grand-père, which itself goes back to the 12th century.
What is my great-grandmother's sister?
Your great-grandmother’s sister is your grandparent’s aunt, your parent’s great aunt and your great-great aunt. The child of your great-great aunt is your great-grandmother’s niece or nephew, your grandparent’s first cousin, your parent’s first cousin once removed and your first cousin twice removed.
Who is my 5th great-grandfather?
Jackie Hudgins - 11/27/98 - My 5th great-grandfather, JOEL GOODMAN, was born1734 in Hertford NC, and died 1786 in Gates Co., NC. His grandchildren, etc. lived in Nansemond Co. and Suffolk, VA.
Do 4th cousins share a 3rd great grandparent?
Fourth cousins share a 3rd-great grandparent ( 5 generations) Quick Tip: Count how many “greats” are in your common ancestor’s title and add 1 to find out what number cousin your relative is. Note that grandparents have no “greats” in their titles, so cousins who share grandparents are first cousins because 0 + 1 = 1.