Now You Can Understand the Difference Between Second Cousins and Cousins Once Removed
Quick -- Your cousin's children are: A) Your second cousins, or B) Your first cousins once removed?
It's tricky, but the correct answer is B, your first cousins once removed.
Your mom's (or dad's) cousin's children are your second cousins. See the difference?
It might be a good idea to brush up on the chart below before the relatives start flooding in for Christmas.