We've got a new grandson.
We have three granddaughters and a grandson.
Our grandson will be four next week.
We have six grandsons but no granddaughters.
These households were primarily feminine households with no spouses, sons, grandsons, brothers or other male kin, although several had male servants.
In all three populations, new heads were almost always the sons or grandsons of the previous head (72 to 79 per cent).
Permutations of the ranks (whether of sons, grandsons or the pools of sons plus grandsons) were performed within sires.