The children of second cousins are third cousins to each other.
Your baby and your cousins are first cousins once removed to each other. You baby and your second cousins are second cousins once removed to each other.
If you have two or more first cousins who each have children, those children are second cousins to each other. If you have two or more second cousins who each have children, those children are third cousins to each other. And so forth. It is more complicated is you are looking at cousins who are removed one or more times. And you should remember that you have cousins who are not related to each other, so their children are also not related to each other. This would be the case, for example, if one cousin is the child of your mother's brother and the other is the child of your father's sister.
Your niece and your son or daughter are first cousins. That would make your niece and your grandchild first cousins once removed. Your niece's child and your grandchild are second cousins.
They are cousins They are cousins
second cousins or first cousins once removed
Your daughter and your first cousin's daughter are second cousins to each other. Your daughter and your first cousin's granddaughter are second cousins, once removed, to each other. Your granddaughter and your first cousin's granddaughter are third cousins to each other.
Your first cousins are the children of your aunts and uncles. You all share the same grandparents, but not closer relatives. Your children and the children of your first cousins are second cousins to each other. They all share the same great grandparents, but not closer relatives. Your grandchildren and the grandchildren of your first cousins are third cousins to each other. They all share the same great great grandparents, but not closer relatives. You and the children of your first cousins are first cousins, once removed, to each other. Toy and the children of your second cousins are second cousins, once removed, to each other. Your and the children of your third cousins are third cousins, once removed, to each other.
Your daughter and your nephew are first cousins to each other. Your daughter and your nephew's son are first cousins, once removed, to each other.
The children of your first cousins are your children's second cousins.The children of your second cousins are your children's third cousins,And so forth.
Two people are second cousins to each other if their grandparents are siblings (bothers of sisters). Since your grandmother and his grandmother are second cousins, you and he each have a great great grandparent who were siblings, and that means that you both have a great great great grandparent in common. You can start counting generations from that common ancestor and determine that you and he are fourth cousins. The easy way to figure your relationship to him is to count generations from your grandmothers, whom you know are second cousins. The children of second cousins are third cousins to each other - that is your parent and his parent. The children of third cousins are fourth cousins to each other - that is you and him. You and he are fourth cousins to each other.
You are first cousins once removed to each other.