 However, as he was under attainder, the next heir according to the 1373 Act of Parliament was the "heir whomsoever" (i.e.including females) of King Robert II.It was still uncertain at this time as to who this would be, as the 1373 Act, while determining which of the King's sons should succeed him, had not pronounced on the legitimacy of the King's elder children one way or the other.