William de Thweng, 2nd Lord Thweng

Parents

• Isabel de Ros
• Marmaduke Thweng, 1st Baron Thweng

Children

Siblings

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

Partners

• Catherine de Furnivalle