A family consists of eleven members spanned across four generations.
G is the mother-in-law of P. G has two children.
J is the spouse of P.
B is the unmarried daughter of G.
J is the uncle of C.
S is the grandson of G.
D, who is the only brother-in-law of J, has only one daughter.
M is the father of K, who is the son-in-law of R. E is the only brother-in-law of K.
R has one son.
E is the uncle of B.
R is neither paternal nor maternal grandfather of B.
It means R is the maternal grandmother of B.
Therefore, we get:
G is the sister of E. P is the sister of D. Similarly, B is the sister of J.
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