Andronikos IV Palaiologos or Andronicus IV Palaeologus was the eldest son of Byzantine Emperor John V Palaiologos. Wikipedia
Born: April 11, 1348, Constantinople
Died: June 28, 1385 (age 37 years), Silivri, Türkiye
Great-grandparents: Michael IX Palaiologos, Michael Kantakouzenos, Amadeus V, Count of Savoy, and more
Grandchild: Andronikos V Palaiologos
Grandparents: John VI Kantakouzenos, Andronikos III Palaiologos, Anna of Savoy, and more
Children: John VII Palaiologos