U is nephew of D who is sibling of B. R has two children. B is only son of M who is spouse of R. K is mother of U. Gender of K and M is same. How R is related to U?

F is the brother of G. G is the husband of H. H is the daughter of I. I is the wife of J. How is F related to J?

Z is the wife of S. M and C are daughters of S. T is the daughter of C. How is M related to T?

F is the husband of G. G is the mother of H. H is the wife of I. I is the father of J. How is F related to J?