Duke Clement Francis of Bavaria

Klemens Franz de Paula, Prince of Bavaria was the son of the Imperial Field Marshal, Ferdinand of Bavaria, and the grandson of Maximilian II Emanuel, Elector of Bavaria.
On 17 January 1742, he married Maria Anna, Pfalzgräfin von der Pfalz, daughter of Joseph Charles of Bavaria, Count Palatine and Prince Hereditary of Sulzbach and Countess Palatine Elizabeth Augusta Sophie of Neuburg, They had two sons and two daughters, all of them died shortly after birth:

Duchess Maria of Bavaria died at birth.
A son.
Duchess Maria Anna of Bavaria died at birth.
A son.

If one of his sons had lived, he would have become Prince-elector of Bavaria in 1777 after the death of Maximilian III Joseph.