Such texts often do not mention his death, in 1569, and continue to use the same name to mean his younger brother Jean de Hangest, seigneur d'Yvoy.
[3] (Chateau de Montmort) Like his father, François Genlis had a military career, initially in service of King Henry II of France.
[3] After converting to Calvinism, François Genlis became Colonel-General for the Protestant “parti des religionaires”, which his brother Jean, seigneur d'Yvoy, also joined.
[3] In 1568, François Genlis raised a dozen cornetts of cavalry and 2,000 harquebusiers to join the Prince of Orange in the Battle of le Quesnoy.
Most texts repeat the line that he probably died in Strasbourg of “la rage” which today would translate as of rabies, but it could mean in despair as he had gone badly into debt funding that last unsuccessful military campaign.