Jacob and Pieter van Ham both married a single mom with a toddler

On October 14, 1861, in Dubbeldam, Holland, Grietje van Ham (1841-1913) gave birth to a daughter and named her Barbara. Grietje was a daughter of Arie van Ham (1804-1877) and Maaike Bakker (1805-1880). She was born on June 25, 1841, in Wieldrecht, Holland. Clearly, Barbara wasn't named after her grandmother, but she may have been named after her great-aunt Barbara Bakker (±1810-1874). She may also have been named after a family member of her unknown father. 

Single mom Grietje van Ham married Jacob van Ham (1840-1912) on May 2, 1867, in Dubbeldam. The bride and groom are both great-grandchildren of my ancestor Harmen Jansz van Ham (±1745-1804). When they married, they claimed 5-year-old Barbara van Ham as their common child, although it's unlikely that Jacob had fathered Barbera. Jacob's parents were Pieter van Ham (1799-1878) and Neeltje de Vos (1812-1879).

During the period 1868-1875 Jacob and Grietje van Ham had 5 children, Pieter, Arij, Neeltje, Maaike (all named after their grandparents) and Jakob jr., who died young:

• Barbara van Ham (1861-1915) married Jacob van Balderen and gave birth to a living daughter Cornelia and a death boy. 
• Arij van Ham (1869-1936) was married on July 29, 1897, in Dubbeldam to Elizabeth Kooiman, when he claimed to be the father of her 3-year-old illegitimate son Pieter.
• Pieter van Ham (1868-1932) married Lijntje Bothof (1871-1941) and worked in a factory in Apeldoorn, Gelre, The Netherlands. 
• Neeltje van Ham (1870-1954) married Jacob Timmers and had several children of whom Hendrik and Cornelis Timmers are known to have reached the age of consent. Their youngest surviving child, Maaike van Ham, was married to Gerrit Lugthart and gave birth in Dubbeldam to several children of whom Jannigje, Jakob and Sophia are known to have reached the age of consent.

The church of Dubbeldam, Holland