Portrait of Justinus van Nassau; illegitimate Son of Prince William I and Eva Elinx; Portrait of Justinus van Nassau (1559-1631); son of Prince Willem I and Eva Elinx. Bust to the right; in armor. Part of the series of portraits from the Stadhouderlijk Hof in Leeuwarden; Justinus count of Nassau; Jan Antonisz van Ravesteyn (workshop of); c. 1609 - c. 1633; panel; oil paint (paint); support: h 29.4 cm x w 24.1 cm t 1 cm