A duty can arise through contract, a voluntary undertaking, a blood relation with whom one lives, and occasionally through one's official position.
Thangarasu too finds it not a good idea to marry someone in blood relation.
Accompanying her is her sole blood relation her elder brother.
Perhaps because of her close blood relation with her husband, she never bore any children.
In their belief system, blood relation continues up to three generation.
Anyone under 18 who is planning to marry may also apply to the authority to find out whether their intended spouse is likely to be a blood relation.
I can envisage circumstances in which a blood relation of the former tenant had resided with him in the house at the same time as his natural wife had.
She is seldom a blood relation of her husband.