Johannes Theodorus Beekhuizen, born in Oosterhout on November 17, 1826, son of Jan Beekhuizen and Wendelina Jansen.

He was married in Valburg on May 12, 1866, at the age of 39 to
Anna Maria van den Hoogen (aged 33 years), born in Valburg on June 18, 1832, daughter of Henricus van den Hoogen and Johanna Krijnen.

• 1 : Johannes Hendrikus Beekhuizen, born in Valburg circa 1871.
  He was married in Valburg on April 11, 1907, at the age of approximately 36 to Geertruida Alberts (aged approximately 19 years), born in Cuijk circa 1888, daughter of Johannes Alberts and Geertruida Cornelia Vermeulen.
  

• 2 : Theodorus Beekhuizen, born in Valburg circa 1874, died in Nijmegen on February 25, 1947, aged approximately 73 years.
  He was married in Valburg on February 22, 1906, at the age of approximately 32 to Elisabeth Catharina Houterman (aged approximately 36 years), born in Valburg circa 1870, daughter of Joannes Houterman and Theodora Verhoeven.