The Onffroy de Vérez family comes from Saint-Laurent-sur-Mer in Calvados in department of Normandy region.
Anne-Marthe-Roland Onffroy,[2] born December 15, 1778, in Brittany, is a knight of the Order of Saint Louis.
In 1816, after the departure of Napoléon Bonaparte, the Onffroy family returned to Brittany[2] after selling the Jamaican coffee plantation.
[3] In 1850, he set sail for South America without a specific destination, landing at Valparaiso then in 1851 at La Serena.
He undertook two expeditions (1852 and 1861) to Peru, devoting his time to observing, drawing and establishing topographical surveys of the region.