Question nahi poora database hai boss, show ur management skills

A is father of two children B and D, who are of different sexes.
C is B's spouse.
E is of the same sex as D.
B and C have two children : F, who is of same sex as B, and G, who is of same sex as C.
E's mother H, who is married to L, is the sister of D's mother, M .
E and E's spouse I, have two children J and K, who are of same sex as I .
No person has married more than once and no children have been born out of wedlock .
The only restriction on marriage are that marriage to a sibling, to a direct descendant, or to more than one person at the same time are forbidden .

Q1-According to the rules, D can marry
options- (a) F only    (b) G only     (c) J only       (d) F, J or K

Q2-If the generation of F and K's parents and their siblings contains more females than males,  then which of the following must be true-
options-  (a) K and G are of the same sex    (b) A is of the same sex as D  (c) J is a male  (d) There are more females than males in F and K's generation

Q3-   F is-
options- (a) G's sister      (b) D's niece or nephew               (c) G's brother               (d) B's daughter

Q4- If L and H divorced , then H could marry
               (I) D only   (II)F   (III) D or G
  options- (a) I only      (b) II only     (c) III only      (d) II or III, but not both

Have a whale of time frens............