• Helena Isabella Hubertina Peters
  • Petrus Leonard Hubert Clercx(1859–1923)
  • Louis Henri Hubert Clercx(1854–)
  • Louis Jacob Hubertus Clercx(1857–)
  • Anna Theresia Hubertina Clercx(1866–1935)
  • Maria Louisa Clercx(1853–1854)
  • Louise Josephine Hubertine Clercx(1864–1929)
  • Josephina Maria Hubertina Clercx(1868–1932)
  • Philomena Mechtildis Hubertina Clercx(1871–1918)