Suppose you were a vindictive bastard (mean enough to prosecute a maid for stealing spoons) and resented your son-in-law, how would you use your will?
You could draw inspiration from John Knaggs, apothecary & surgeon of Grange Lodge, Hornsey Road.
Knaggs died in 1877 and left his daughter Ann Cook £10 'notwithstanding that her husband owes me many hundreds of pounds'. I can't find out the story behind that, but there are reasons to doubt Knagg's judgement.
He left nearly all his estate to his only son, Walter, who had been kicked out of Jamaica for falsely accusing the colony's Receiver General of embezzlement, and who'd wind up peddling schemes for tea plantations in Penang.
Ann Cook and her husband George, meanwhile, went New Zealand where he became a judge. Their daughter (named Clara after another of Knagg's children) married Frederick Revans Chapman, New Zealand's first homegrown supreme court judge.
Here he is: