Francesco I Gonzaga
Francesco I was born in 1366.  He died at the age of 42 on March 8th, 1408.

 Margherita Malatesta
Margherita was born about 1375.  She died on February 28th, 1399.

 Gianfrancesco I Gonzaga
Gianfrancesco I was born in 1395.  He died at the age of 49 on September 23rd, 1444.