A : Prophet Muhammad (PBUH) was brother-in-law of Abu Bakr Siddique (R.A)
B: Abu Bakr Siddique (R.A) was brother-in-law of Prophet Muhammad (PBUH)
C : Abu Bakr Siddique (R.A) was father-in-law of Prophet Muhammad (PBUH)
D: Prophet Muhammad (PBUH) was father-in-law of Abu Bakr Siddique
(R.A)