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AJ is a widower she passes away few years back
Well for having daughter in laws and son they are not his bological sons he is only takking care of them as a guardian they are not related to blood
About AJ age he is 45 but doesn't look coz he maintained himself but there is twist in the tale his age is biggest mystery
Guddan marry aj due to family pressure she marry aj to save her younger sister who was kidnapped by AJ yongers Bahu sarus bro who is a big jerk 😡..