He was a schoolteacher at the Hauge and later at Brielle from 1626 where he was tutor to the children of Count de Treslong.

His wife Agnietje was governess of the Counts daughters.

Later he opened a small school in Beest, County of Buren.

He is buried under the floor of the church in Leerdam

http://genforum.genealogy.com/scates/messages/6.html: Dom Gideon SCHAETS, b. 1607, Leerdam, South Holland; d. Feb 27, 1694, buried under the floor of the church; m1. Nov 5, 1634, Agnietje Moens/ Moriaens (b. 1610, d. 1666). Her family had been in the service of the Dukes of Burgundy for generations, and were high government officials at The Hague. However upon the ascension of Philip II, they joined the Reformation forces. He was a schoolteacher and tutor at the Hague and later at Brielle, where he had moved (1626) to tutor the children of Captain (Count) de Treslong, appointed military governor at Brielle, an heir and relative of the Countess of Buren. There he met Agnietje, Gouverness of the Count's daughters, at the governor's house, and there they were married. They later moved to Beesd/Beest, County of Buren where he opened a small school, which he kept for 12 years. He was educated by his father, then by the learned theologian, and later university professor, Gisbertus Voltias.