Section 21:
'Son,' 'descendants,' 'daughter,' 'brother,' 'widow,' defined.
In the next following
section, unless where there is something repugnant in the context, the words ‘son,’ ‘descendants,’
‘daughter’ and ‘brother’ apply only to najib-ul-tarfain, and the word ‘widow’ applies only to a
woman belonging to the ahl-i-bradari of her deceased husband.