Giovanni Pierluigi da Palestrina
Giovanni Pierluigi da Palestrina ( 1525 – 2 February 1594) was an Italian Renaissance composer of sacred music and the best-known 16th-century representative of the Roman School of musical composition. He had a lasting influence on the development of church music, and his work is considered as the culmination of Renaissance polyphony.
Helena Palaiologina
Helena was born in the castle of Mistras, Morea, Greece on 3 February 1428, the only child of Theodore II Palaiologos and Cleofa Malatesta. Her paternal grandparents were Manuel II Palaiologos and Helena Dragas, and her maternal grandparents were Malatesta I, Count of Pesaro and Isabella Gonzaga. Her many uncles included Byzantine emperors John VIII Palaiologos and Constantine XI Palaiologos. When she was five years old, her mother died. Her father never remarried as he was occupied in the war which was fought against the Latin states in Greece for the unification of Morea.