Luis Alegre

He arrived at the Río de la Plata in the expedition of Pedro de Mendoza in 1534,^[2] and later to Asunción, aboard the ship "La Marañona" in 1538. He changed his original last name "Plesier" to Alegre,^[3] and attended the election of Domingo Martinez de Irala as Lieutenant Governor of Paraguay in 1539.^[4] He had an active participation in the Conquest of Paraguay, receiving parcels of land, in addition to the distributions of various indigenous tribes as encomiendas for their services to the Crown.^[5]

He was married to Magdalena Testanova, daughter of Blas Testanova, the first doctor of the Río de la Plata.^[6] He remarriage with Catalina Lys, daughter of Flemish conquistador Dionis de Lys. They had a son named Esteban Alegre, a neighbor founder of Corrientes and Buenos Aires.^[7]

His last name is very common in Paraguay, and the Argentine coastal area, but a distinguished line can be drawn through Captain Casimiro Alegre, a military man with a long career during the colonial and post-colonial period of Buenos Aires.^[8]

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