Of course, your first cousin's child is related to you; you have ancestors who are also ancestors of your cousin's child.
Your first cousin's child is your first cousin, once removed.
Your second cousin's child is your second cousin, once removed.
You are first cousins once removed to each other.
You and the child of your first cousin are first cousins once removed.You and your first cousin's child are first cousins, once removed, to each other.
Your second cousin and your child are second cousins, once removed.
Your cousin (if a first cousin) and your child are first cousins once removed.
Your second cousin and your child are second cousins, once removed.
Your daughter would b related to her uncles child because they would b cousins
Your child and your first cousin's child are second cousins. A full generation is another set of cousins. For example, the second cousins' children will be third cousins, etc. Now here is the tricky part. You are a first cousin once removed to your cousin's child and your cousin is a first cousin once removed from your child.
Your child and your first cousin are first cousins, once removed to each other.
Your first cousin's child would be your second cousin
Your child and your sister's children are first cousins. Your grandchild and your sister's children are first cousins once removed.
Your first cousin and your grandchildren (your child's children) are first cousins once removed.
Your first cousin's child is your child's second cousin. Your second cousin's child is your child's third cousin. Your third cousin's child is your child's fourth cousin. and so forth