Johann Friedrich Louis HENNING, 1873-
Ludwig's mother's half-brother

 Father Johannes HENNING, 1835-
 Mother Martha Elisabeth Baldamina ASCHENBACH Henning, 1847-
       Sister Eva Katharina HENNING, 1868-1868
       Brother Georg Herrmann HENNING, 1869-
       Sister Elisabeth Juliana HENNING, 1870-
       Johann Friedrich Louis HENNING, 1873-
       Brother Ferdinand HENNING, 1875-
       Sister Katharina HENNING, 1878-1878
       Brother Edmund Adolf HENNING, 1879-1881

Time Line

5 JUL 1873 - Born at Kreis Eisenach, Thüringen

5 NOV 1875, age 2 - Brother Ferdinand HENNING born there

5 JUN 1878, age 4 - Sister Katharina HENNING born at Etterwinden, Kreis Eisenach, Thüringen