 Sancho de Tovar married Guiomar da Silva, daughter of the "Alcaide-Mor" (Governor) of Porto de Mós, and had three children.Pedro's eldest son, Sancho de Tovar e Silva (1540-1598), who became Lord of the Honour of Molelos by marriage, was also a navigator.The country's policy, however, had changed towards terrestrial expansion and he eventually embraced military life, having fought at the disastrous battle of Alcácer Quibir alongside king Sebastian I.