Does my character sound alright and not like a stereotype?

Matthias, a Jewish moneylender who lived during the late 16th century in Southern Europe. Every Christian thought he was an avaricious old skinflint who worshiped his gold a lot (as most ignorant Christians believed all Jews are in that time) but in truth, Matthias did not like working as a moneylender, he didn't even liked jewelry that much, he was more fond of children and always told them stories he learned from all different places. But alas, Matthias could not have children of his own. Then on one rainy night, he found a dying nun with a 5 year-old child; she told him the child was hers as a result of being d by the Bishop, but she died before she could say anything else. Matthias took the child in and raised him as his own, but thought it best to honor the mother's death by giving the boy Christian catechism instead of Judaism, since the child was not properly his. Many years later Matthias would find more children-street urchins, gypsies and homeless-too take into his home and he would teach them simple mathematics, grammar and what else he knows. As he grew old, Matthias still loved all his adopted children, until one fateful day, Matthias's clients wanted revenge and took the lives of his adopted children, his money, and was slandered for being a corrupter of children. When he saw the dead bodies of his beloved children, Matthias emotionally broke down and cried his heart out. He was banished from the City but swore revenge; he meet some Mediterranean Pirates and told them that the City was rich with gold and wine. From that day on, his heart began to harden whenever he heard the news of dead children or when he found himself at the grave or at the body of a dead child. Years later, Matthias served as a spy for enemies of most European countries, he was given plenty of gold and silver, but no amount of wealth could replace the pain he felt when he saw the dead bodies of his children, he broke away from his faith and would cried every night in his sleep. And he would dream about his children, only to wake up alone and heartbroken with despair.