Question 1

When did Guillaume IV de Thiern, Vicomte de Thiern die?

Accepted Answer

Guillaume IV de Thiern, Vicomte de Thiern died on 1311-01-01.

Question 2

Who were Guillaume IV de Thiern, Vicomte de Thiern's parents?

Accepted Answer

Guillaume IV de Thiern, Vicomte de Thiern's parents were Marguerite de Thiern and Guy VIII de Thiern, Vicomte de Thiern.

Guillaume IV de Thiern, Vicomte de Thiern

Parents