Because that person is your mother. And to your cousins she is an aunt.
Easy, one of your parents has more then one sibiling.
They could be your parents. Or they could be your aunt and uncle. The other alternative is that they are not related to you at all.
They're aunt is your mother. Your mother's not your aunt.
your aunt and uncle's children .your aunt and uncle are related to you which makes your cousins related to you.
You could be second cousins. Or you could be no relationship at all if they do not share a common ancestor with you.
Your Mother is your cousins' Aunt. Therefore, she's not your Aunt. See the related question.
Your aunt's children are your cousins
Yes. Your aunt's brother is your uncle and his kids are your first cousins
For clarity. let's call your grandmother's aunt "the aunt". Sequence of relationship: (1) The aunt's child and your grandmother are 1st cousins (2) The aunt's grandchild and one of your parents are 2nd cousins (3) The aunt's great grandchild and you are 3rd cousins
You may be related to your great aunt's cousin through your great great grandparent, who is also her grandparent.However, your great aunt could also have cousins from the side of her family that is not related to you. (Children of siblings of her father, if her mother was the sister of your great grandparent.) Those cousins are not related to you.In addition, your great aunt could be your great aunt because she married the brother of your grandparent. In that case, none of her cousins are related to you.
You and your aunt's daughter are first cousins.