Wilhelmina Mang, daughter of Philipp Mang and Charlotta Barth , was born on 20 September, 1862, in Hochspeyer, Bayern, Germany.

Wilhelmina married Heinrich von Behren on 9 March, 1882, in German United Evangelical Lutheran Church, Minonk, Illinois. They had six children: Carolina Wilhelmina Maria, August Heinrich Frederich, Heinrich Carl Wilhelm, Maria Charlotta Sophia, Louise Helena Magalena , and Sophia Maria Jakobine .

Carolina Wilhelmina Maria von Behren was born on 7 March, 1883, in Clayton Township, RR Minonk, Illinois.

August Heinrich Frederich von Behren was born on 12 April, 1884, in Clayton Township, RR Minonk, Illinois.

Heinrich Carl Wilhelm von Behren was born on 11 January, 1886, in Clayton Township, RR Minonk, Illinois.

Maria Charlotta Sophia von Behren was born on 7 May, 1888, in Clayton Township, RR Minonk, Illinois.

Louise Helena Magalena von Behren was born on 20 September, 1890, in Clayton Township, RR Minonk, Illinois.

Sophia Maria Jakobine von Behren was born on 20 September, 1890, in Clayton Township, RR Minonk, Illinois.