He is married to Francisca Foeck.
Permission for the marriage has been obtained in Rotterdam on January 20, 1707.Source 1
They got married on February 6, 1707 at Rotterdam.Robbertus Pietersz van Roosmalen wed. , van 's-Hertogenbosch, wonend Vaste Land Buijten De Schiedamse Poort, en Francina Foeck wed. Robbertsz Jan, van Nimmegen, wonend Vaste Land Buijten De Schiedamse Poort