William I, Viscount of Béarn

Viscount of Béarn from 1171 to 1173 (1200–1172)

Parents

• Beatriu de Montcada
• William Ramon of Montcada

Children

• Gaston VI, Viscount of Béarn
• William Raymond, Viscount of Béarn

Siblings

• Adelaida de Montcada
• Ramon I de Montcada i de Montcada

Partners

• Mary, Viscount of Béarn