 Complete the following phrase:  His son, Nicolas de la Roche, took over from him in 1398. In 1404, he married Alix de Chauvigny, daughter of Chateau Rochers lord. Their oldest son, Jean de La Roche, married Louise de La Fayette daughter of Marshal Gilbert Motier de La Fayette in 1419 and inherited Tournoël subject to an usufruct. He was killed during the 