One granny for the price of two

Question

He wasn't Spanish royalty, but both of his grannies are the same lady.

Question is, under feudal law, did she have to give him two Christmas presents.

Comments

When he was bad did he get two beatings?

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Awesome... thanks for the laugh :)

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Putting it another way, of course Robert's parents weren't really half-sibs, so one of them has the wrong mother.

Answer 1

But he only had to give her one. What about his grandpa he was the same person also.