Besaiel
Besaiel ({not transcribed}) , noun
[Old French beseel, French bisaieul, from Latin bis twice + Late Latin avolus, dim. of Latin avus grandfather.]
1.
A great-grandfather. [Obsolete]
2.
(Law) A kind of writ which formerly lay where a great-grandfather died seized of lands in fee simple, and on the day of his death a stranger abated or entered and kept the heir out. This is now abolished. — Blackstone
Also: Besayle, Besaile