Complex sentence: It happened after 1571 when he finished writing his chronicle and could have taken place as late as 1602 when viceroy Luis de Velasco, marqués de Salinas made a grant to a Pedro Pizarro; however, this Pedro may have been a son of the chronicler.
Split into simpler sentences: It happened after 1571 when he finished writing his chronicle and could have taken place as late as 1602 when viceroy Luis de Velasco, marqués de Salinas made a grant to a Pedro Pizarro. However, this Pedro may have been a son of the chronicler.