Johann was born about 5 Mar 1796 (this is his baptism date). He is the son of Christian Hörnle and Margaretha Höfner.
He married three times, first to Friederike Dorothee (Schmid) Hörnle (1801-1829). They had the following children:
His second wife was Marie Judith (Hofenmajer) Hörnle (1803-1833). They had no children
His third wife was Christina Barbara (Eibel) Hörnle (1808-1847). They married 04 Jun 1833 and had the following children: