Schetz de Grobbendonck was a son of Anthonie II Schetz and his second wife Maria van Malsen, lady of Tilburg.

After graduating licentiate of civil and canon law, he was appointed in 1647 to a canonry of Tournai Cathedral.

His older sister was abbess of La Cambre.

He went on to serve as archdeacon and vicar general of Tournai.

This article about a Catholic bishop from Belgium is a stub.