Marmaduke Thweng, 1st Baron Thweng

English knight and baron (1250–1323)

Children

• Thomas Thweng, 4th Lord Thweng
• William de Thweng, 2nd Lord Thweng
• Lucy de Thweng
• Robert de Thweng, 3rd Lord Thweng
• Marmaduke de Thweng
• Katharine Thweng

Partners

• Isabel de Ros