Michel Sittow, (painter), Netherlandish, c. 1469 - 1525, Portrait of Diego de Guevara (?), c. 1515/1518, oil on panel, overall: 33.6 x 23.7 cm (13 1/4 x 9 5/16 in.), framed: 54.9 x 46.3 cm (21 5/8 x 18 1/4 in.), Michel Sittow, a northern painter who was born in Estonia on the Baltic Sea but apprenticed in Bruges, was an acclaimed portraitist at the Spanish court. After Queen Isabella's death in 1504, his peripatetic career took him to several northern European centers, including Burgundy, where he probably painted this portrait..