He is obligated by family custom not to marry beneath himself.

It was family custom that only a woman of the blood should wear it.

Certainly I never remember his being sober enough while he was alive to talk about family customs.

An heirloom in the strict sense was made by family custom, not by settlement.

Do you rely on family customs, if not religious consensus?

In the North, it is family custom to sing songs of those who have gone before.

I wished that just the once, she'd clung to family custom.

This was contrary to generally accepted family custom.

In keeping with the family custom, the newly wed couple was initiated by the family's spiritual teacher, Madhavacharya.

The extent of mourning is also based heavily on family custom, and therefore Jews will mourn to different degrees.