It regulates the principles of succession according to the caste system, emphasizes the preference of the legitimate sons and the first-born son.

它既反映了种姓继承原则，也规定了嫡生子优先继承原则和长子优先继承原则。

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Then Richard's only legitimate son died, followed soon after by his wife.

BBC: Richard III dig: Mysteries remain over notorious king

The context (also explained elsewhere in the state papers) is that Charles wished the Princess Mary, Henry's daughter by his first wife Catherine of Aragon, to be restored to the order of succession, a request Charles believed to be reasonable given that Henry was still young enough to father a legitimate son.

ECONOMIST: Tudor history

The Attorney General interceded and brokered a settlement that recognized Hynie and her son as legitimate heirs (without even a DNA test).

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