Petronilla of Aragon
Petronilla, whose name is also spelled Petronila or Petronella, was Queen of Aragon (1137–1164) from the abdication of her father, Ramiro II, in 1137 until her own abdication in 1164. After her abdication she acted as regent during the minority of her son Alfonso II of Aragon (1164–1173). She was the last ruling member of the Jiménez dynasty in Aragon, and by marriage brought the throne to the House of Barcelona.
29 June 1136
Born on the same birth day (29 June): Dan Dierdorf • Daniel Carlsson (rally driver) • George Hincapie • Jaber Al-Ahmad Al-Sabah • Little Eva • Matthew Bode • Mike Willesee • Nicole Scherzinger • Pedro Guerrero (first baseman/outfielder) • Pedro Pacheco de Villena • Richard Lewis (comedian) • Sławomir Mrożek • Walter Babington Thomas