Johann I, Count of HENNEBERG SCHLEUSINGEN
He married Elisabeth, Princess of Leuchtenberg 1349 . Elisabeth, Princess of Leuchtenberg was born at of Leuchtenberg, Oberpfalz, Bavaria Abt 1325 daughter of Ulrich I, Landgrave of Leuchtenberg and Mrs Elisabeth, Landgravine of Leuchtenberg .
They were the parents of 5
children:
Heinrich XI or XIII, Count of Henneberg Schleusingen
born Abt 1350.
Elisabeth Countess of Henneberg-Schleusingen
born 1351.
Anna Countess of Henneberg-Schleusingen
born Abt 1353.
Berthold XII, Count of Henneberg
born Abt 1356.
Johann II, Count of Henneberg
born 1359.
Johann I, Count of Henneberg Schleusingen died 2 May 1359 .
Elisabeth, Princess of Leuchtenberg died 25 Jul 1361 .