• Joannes Theodorus Clercx
  • Joannes Josephes Alphonsus Clercx(1853–1923)
  • Anna Catharina Clercx(1833–)
  • Maria Catharina Rosalia Clercx(1835–1835)
  • Joannes Petrus Clercx(1836–)
  • Maria Dorothea Clercx(1839–1909)
  • Maria Theresia Rosalia Clercx(1841–)
  • Ludovicus Josephus Clercx(1844–1865)
  • Maria Catharina Constantia Clercx(1846–)
  • Joannes Isidorus Clercx(1849–)