Simplify the following text for a Grade 6 native English-speaking person.
Original: Crockett was of Scots-Irish , Anglo-Irish , French Huguenot and English descent , the family name being derived from Monsieur de la Croquetagne , a captain in the Royal Guard of French King Louis XIV .
Simplified: Monsieur de la Croquetagne was a captain in the Royal Guard of French King Louis XIV .