cosinage

noun

1. (countable, uncountable)Collateral relationship or kindred by blood; consanguinity.
2. (countable, historical, obsolete, uncountable)A writ to recover possession of an estate in lands, when a stranger has entered, after the death of the grandfather's grandfather, or other distant collateral relation.

   “if the abatement happened upon the death of any collateral relation , other than those before-mentioned , the writ is called a writ of cosinage”