Emilio married María Del Rosario Delgado Torres on 8 Feb 1747 in Caguas, Puerto Rico, ESP. María (daughter of Domingo Delgado Rodríguez and Ursula Torres Rivera, daughter of Domingo Delgado Rodríguez and Ursula Torres Rivera) was born on 2 Oct 1717 in San Juan, San Juan, Puerto Rico, USA; died on 5 May 1808 in Caguas, Caguas, Puerto Rico, USA. [Group Sheet] [Family Chart]

1. Luciana Mercado Delgado was born in 1748 in Caguas, Puerto Rico, ESP; died on 21 Jul 1818 in Las Piedras, Las Piedras, Puerto Rico, USA.
2. Rosa María De Mercado Delgado was born on 3 Oct 1749 in Caguas, Caguas, Puerto Rico, Province of Spain; died on 6 Nov 1817 in Caguas, Caguas, Puerto Rico, Province of Spain.

Emilio married Ana Mercedes Mangual about 1964 in Rio Piedras, San Juan, Puerto Rico, USA. Ana (daughter of Rafael Muñoz Flores and Mercedes Mangual Rodriguez) was born on 27 Sep 1930; died on 15 May 2010 in Carolina, Puerto Rico, USA. [Group Sheet] [Family Chart]

1. Emilio Rafael Peréz Muñoz was born on 3 Nov 1967 in San Juan, San Juan, Puerto Rico, USA; died on 17 Apr 1996.