 Since she might have given birth to a son, a regency was set up under the heir presumptive Philip of Valois, son of Charles of Valois and a member of the House of Valois, the next most senior branch of the Capetian dynasty.After two months, Jeanne gave birth to another daughter, Blanche, and thus Philip became king and in May was consecrated and crowned Philip VI.Edward III of England argued, however, that although the Salic law should forbid inheritance "by" a woman, it did not forbid inheritance "through" a female line – under this argument, Edward III, son of Queen Isabella, wife of Edward II and daughter of Philip IV, should have inherited the throne, forming the basis of his claim during the ensuing Hundred Years War (1337–1453).