Complex sentence: Originally, the town was named "Tapaichuá", founded by Domingo Martínez de Irala in 1538 in the territory of Indian people who occupied land on the banks of the Ypacarai Lake.
Split into simpler sentences: Originally, the town was named "Tapaichuá". It was founded by Domingo Martínez de Irala, in 1538, in the territory of Indian people who occupied land on the banks of the Ypacarai Lake.