sentences:  In about 1343, an agreement had been made for a double marriage between, Mowbray and Audrey Montagu, the granddaughter of Thomas of Brotherton, and Mowbray's sister, Blanche de Mowbray with Audrey's brother, Edward Montagu.Neither marriage took place.Instead, about 1349, a double marriage took place between Mowbray and Elizabeth de Segrave (also granddaughter of Thomas of Brotherton), and Mowbray's sister Blanche with Elizabeth's brother, John de Segrave, Pope Clement VI having granted dispensations for the marriages at the request of Mowbray's grandfather, the Earl of Lancaster, in order to prevent 'disputes between the parents', who were neighbours.