The term "removed" refers to the number of generations separating the cousins themselves. So your first cousin once removed is the child (or parent) of your first cousin. Your second cousin once removed is the child (or parent) of your second cousin. And your first cousin twice removed is the grandchild (or grandparent) of your first cousin.
It means they are one generation removed from you on your family tree. Your second cousin once removed is either your parent's second cousin, or your second cousin's child.
The expression is akin to once bitten twice shy.
Cousin once removed means that the cousin relationship is removed by one generation. Example: Your dad's first cousin would be your first cousin once removed because you are from one generation later than your dad. Your first cousin once removed would be your childs's first cousin twice removed because your child is two generations later than your dad, etc.
A cousin once removed refers to the relationship between two people who are from different generations but share a common ancestor. Specifically, if one person is the child of someone's first cousin, they are considered a first cousin once removed. The term "once removed" indicates that there is a difference of one generation between the two cousins.
Once removed means that there is an additional generation in there somewhere. Your cousin might mean your aunt's or uncle's son or daughter. Your cousin, once removed, might mean your aunt's or uncle's granddaughter/grandson.Removed cousin is when you and your 1st cousin same the same generation. The word remove is when having a differences the two generation.
The nephews of your first cousin once removed, like the children of your first cousin once removed, are your first cousins twice removed.
The child of your first cousin, once removed, is your first cousin, twice removed, if your first cousin once removed is the child of your first cousin. If your first cousin once removed in the first cousin of one of your parents, the child is your second cousin.
The son of your second cousin is your second cousin, once removed. You are also his second cousin, once removed.
A cousin of the first degree would be a first cousin, a first cousin, once removed, twice removed, etc., etc.
Your mother's first cousin is always your first cousin, once removed. That is at the core of what first cousins and removed cousins are. That relationship will never change; your mother's first cousin will always be your first cousin, once removed. The term "cousin by marriage" is relatively new and undefined, and for many it really does not mean anything. Some people use the term to refer to someone who has married a cousin. In that sense, if someone marries your "first cousin once removed," that person would be your "first cousin once removed by marriage." It is completely incorrect to claim that someone who marries your first cousin is your "first cousin once removed" simply because of that marriage.
If your first cousin once removed is your parent's first cousin, then your first cousin once removed is your child's first cousin twice removed.If your first cousin once removed is the child of your first cousin, then your first cousin once removed is your child's second cousin.
Your father's first cousin, once removed, is your 2nd cousin. Your father's second cousin, once removed, is your third cousin.