Ercole I D' Este & Eleonora D' Aragon 
Ercole I D' and Eleonora D' were married in a religious ceremony on July 3rd, 1473. They had two sons and two daughters, named Afonso I D', Ippolito I D', Isabella D; and Beatrice D'.
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Personal Details
Ercole I D' Este
Ercole I D' was born on October 26th, 1431. He died at the age of 73 on January 25th, 1505.
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Children
Isabella D; Este
Isabella D; was born on May 18th, 1474. She died at the age of 64 on February 13th, 1539.
Beatrice D' Este
Beatrice D' was born on June 29th, 1475 in Ferrara, Italy. She died at the age of 21 on January 2nd, 1497 in Milano, Italy.
Afonso I D' Este
Afonso I D' was born on July 21st, 1476. He died at the age of 58 on October 31st, 1534.
Ippolito I D' Este
Ippolito I D' was born on March 29th, 1479. He died at the age of 41 on September 2nd, 1520 in Ferrara.