Genealogy from [Keller]

Date differences

Family with parents - View this family

father	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Helena Kortman Joannes Franciscus Boll Maria Boll Hubertus Boll Family with spouse Johanna Van Wamelen Joannes Christiaan Boll Helena Catharina Boll Joanna Willemina Boll Family with spouse Catharina Bolkwits Hendrik Willem Boll Birth: calculated 1744 — Stadtlohn, Nordrhein-Westfalen, Germany Death: before April 8, 1791
mother	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Hendrik Willem Boll Joannes Christiaan Boll Helena Catharina Boll Joanna Willemina Boll Johanna Van Wamelen Birth: calculated 1746 — Tiel, Gelderland, Netherlands Death: January 1788 — Amsterdam, Noord-Holland, Netherlands
	Marriage: April 1776 — Amsterdam, Noord-Holland, Netherlands
10 months elder brother	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Joannes Christiaan Boll Christening: February 4, 1777 33 31 — Amsterdam, Noord-Holland, Netherlands Death:
2 years herself	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Helena Catharina Boll Christening: May 3, 1779 35 33 — Amsterdam, Noord-Holland, Netherlands Death: July 30, 1808 — Amsterdam, Noord-Holland, Netherlands
17 months younger sister	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Joanna Willemina Boll Christening: October 3, 1780 36 34 — Amsterdam, Noord-Holland, Netherlands Death:

Father’s family with Helena Kortman - View this family

father	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Helena Kortman Joannes Franciscus Boll Maria Boll Hubertus Boll Family with spouse Johanna Van Wamelen Joannes Christiaan Boll Helena Catharina Boll Joanna Willemina Boll Family with spouse Catharina Bolkwits Hendrik Willem Boll Birth: calculated 1744 — Stadtlohn, Nordrhein-Westfalen, Germany Death: before April 8, 1791
step-mother	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Hendrik Willem Boll Joannes Franciscus Boll Maria Boll Hubertus Boll Helena Kortman Birth: October 2, 1750 33 31 — Amsterdam, Noord-Holland, Netherlands Death: January 1776 — Amsterdam, Noord-Holland, Netherlands
	Marriage: April 1772 — Amsterdam, Noord-Holland, Netherlands
1 year half-brother	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Joannes Franciscus Boll Christening: April 6, 1773 29 22 — Amsterdam, Noord-Holland, Netherlands Death:
19 months half-sister	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Maria Boll Christening: October 28, 1774 30 24 — Amsterdam, Noord-Holland, Netherlands Death:
10 months half-brother	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Hubertus Boll Christening: September 12, 1775 31 24 — Amsterdam, Noord-Holland, Netherlands Death:

Father’s family with Catharina Bolkwits - View this family

father	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Helena Kortman Joannes Franciscus Boll Maria Boll Hubertus Boll Family with spouse Johanna Van Wamelen Joannes Christiaan Boll Helena Catharina Boll Joanna Willemina Boll Family with spouse Catharina Bolkwits Hendrik Willem Boll Birth: calculated 1744 — Stadtlohn, Nordrhein-Westfalen, Germany Death: before April 8, 1791
step-mother	Ancestors Compact tree Descendants Family book Fan chart Hourglass chart Interactive tree Pedigree Pedigree map Relationships Family with spouse Hendrik Willem Boll Catharina Bolkwits Birth: calculated 1750 — Wesel, Nordrhein-Westfalen, Germany Death:
	Marriage: 1788 — Amsterdam, Noord-Holland, Netherlands

Family with parents
father Parents Nn Boll	Hendrik Willem Boll 1744–1791
mother Parents (unknown)	Johanna Van Wamelen 1746–1788
elder brother Family (none)	Joannes Christiaan Boll 1777–1778
herself Family (none)	Helena Catharina Boll 1779–1808
younger sister Family (none)	Joanna Willemina Boll 1780–
Father’s family with Helena Kortman
father Parents Nn Boll	Hendrik Willem Boll 1744–1791
step-mother Parents Jan Kortman Ida Bartels	Helena Kortman 1750–1776
half-brother Family (none)	Joannes Franciscus Boll 1773–
half-sister Family (none)	Maria Boll 1774–1774
half-brother Family (none)	Hubertus Boll 1775–
Father’s family with Catharina Bolkwits
father Parents Nn Boll	Hendrik Willem Boll 1744–1791
step-mother Parents (unknown)	Catharina Bolkwits 1750–