- Partnership with: Friederike Amalie Caroline SCHUSEIL
Marriage: (Date and Place unknown)
- Partnership with: Caroline Luise Ferdinande THIELE
Marriage: 18 JUL 1826
- Child: Georg Heinrich Ludwig Theodor MACKENSEN Birth: 12 MAY 1827, Badenhausen, Prussia
- Child: Otto Bernhard Constantin MACKENSEN Birth: 9 FEB 1829, Badenhausen, Prussia
- Child: Heinrich Conrad Otto MACKENSEN Birth: 28 NOV 1830, Badenhausen, Prussia
- Child: Engelhard August Wilhelm MACKENSEN Birth: 30 AUG 1833, Badenhausen, Prussia
- Child: Gottfried Hugo Conrad MACKENSEN Birth: 28 SEP 1834, Badenhausen, Prussia
- Child: Friederike Henriette Luise Wilhelmine MACKENSEN Birth: 17 JUN 1839, Badenhausen, Prussia
- Child: Conradine Augustine Friederike MACKENSEN Birth: 12 APR 1842, Badenhausen, Prussia
- Child: Dorothea Augustine Rosine MACKENSEN Birth: 14 SEP 1843, Badenhausen, Prussia
- Child: Julius Hermann Conrad MACKENSEN Birth: 7 MAY 1847, Badenhausen, Prussia
- Child: Johann Heinrich Engelhard MACKENSEN Birth: 22 AUG 1853, Badenhausen, Prussia
- Child: Theodor Friedrich Emil MACKENSEN Birth: 5 MAY 1855, Badenhausen, Prussia
Ancestors of Johann Heinrich Conrad MACKENSEN
/-Lorenz MACKENSEN
/-Hermann MACKENSEN
/-Bernd MACKENSEN
/-Michael MACKENSEN
/-Andreas MACKENSEN
/-Johannes MACKENSEN
| | /-Andreas BORNEMANN
| \-Catharina BORNEMANN
/-Johann Heinrich MACKENSEN
| | /-Hans GROSSHEIM
| \-Dorothea Elisabeth GROSSHEIM
| | /-Zacharias GIESECKE
| \-Anna GIESEKE
/-Johann Heinrich MACKENSEN
| | /-Gerhardt RÖMERMANN
| | /-Henrich RÖMERMANN
| | | | /-Pawel SCHNELLEN
| | | \-Anna SCHNELLE
| | /-Michel RÖMERMANN
| | | | /-Adam CULEMANN
| | | | /-Henny KUHLMANN
| | | \-Catharina KUHLMANN
| \-Dorothea Elisabeth RÖMERMANN
| | /-Claus WASMUT
| | /-Hans WASMUTH
| | /-Arend WASMUTH
| | | \-Dorothea WEDEKIND
| \-Dorothea Elisabeth WASMUTH
| | /-Andreas SCHWICKER
| \-Maria Elisabeth SCHWICKER
/-Johann Henrich Engelhard MACKENSEN
| \-Marie Sophie WECKEN
Johann Heinrich Conrad MACKENSEN
\-Maria Dorothea Henriette VOLBRECHT
Descendants of Johann Heinrich Conrad MACKENSEN
1 Johann Heinrich Conrad MACKENSEN
=Friederike Amalie Caroline SCHUSEIL
=Caroline Luise Ferdinande THIELE Marriage: 18 JUL 1826
2 Georg Heinrich Ludwig Theodor MACKENSEN
2 Otto Bernhard Constantin MACKENSEN
2 Heinrich Conrad Otto MACKENSEN
=Auguste OHLENDORF Marriage: 1856, Badenhausen, Prussia
3 Conrad MACKENSEN
3 Caroline MACKENSEN
=Julius ROMBERG Marriage: 15 MAR 1877
3 Anna Catharine MACKENSEN
=Benno Franklin FUCHS Marriage: 15 MAR 1895, USA
3 Berhard MACKENSEN
=Marie PERLITZ Marriage: 3 AUG 1891, USA
4 Ella MACKENSEN
3 Louis MACKENSEN
=Helene ROSENBERG Marriage: 24 AUG 1913, USA
2 Engelhard August Wilhelm MACKENSEN
=Sophie SCHIEN
3 Caroline MACKENSEN
3 Elisabeth MACKENSEN
3 Frederike MACKENSEN
3 Hans MACKENSEN
3 Hermann MACKENSEN
3 Luise MACKENSEN
3 Martin MACKENSEN
3 Paul MACKENSEN
3 Siegmund MACKENSEN
3 Wilhelm MACKENSEN
2 Gottfried Hugo Conrad MACKENSEN
2 Friederike Henriette Luise Wilhelmine MACKENSEN
2 Conradine Augustine Friederike MACKENSEN
=Heinrich Wilhelm Ludwig Hermann WARNSTORF Marriage: 13 OCT 1868, Badenhausen, Prussia
2 Dorothea Augustine Rosine MACKENSEN
=August Gustav Ludwig Friedrich PETERS Marriage: 13 OCT 1868, Badenhausen, Prussia
2 Julius Hermann Conrad MACKENSEN
2 Johann Heinrich Engelhard MACKENSEN
=(Unknown)
3 Elisabeth Minna Caroline MACKENSEN
3 Conrad Wilhelm Bernhard MACKENSEN
3 Louis Wilhelm MACKENSEN
3 Christiane Auguste Minna MACKENSEN
2 Theodor Friedrich Emil MACKENSEN