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Insight Horizon Media

Roberto Aguirre-Sacasa

Author

Emily Dawson

Updated on March 12, 2026

Roberto Aguirre-Sacasa – “Carrie” World Premiere – Arrivals – ArcLight Cinemas – Hollywood, CA, USA, 2013 – Photo Credit: Andrew Evans / PR Photos

Birth Name: Roberto Francisco Aguirre-Sacasa

Place of Birth: Washington, D.C., U.S.

Date of Birth: 1973

Ethnicity: Nicaraguan [Spanish, some French, Basque, 1/64 English, distant Italian, possibly other]

Roberto Aguirre-Sacasa is a Nicaraguan-American playwright, screenwriter, and comic book writer. He is known for having developed the series Riverdale and Chilling Adventures of Sabrina, among others.

Roberto is the son of Maria de Los Angeles (Sacasa Gómez) and Horacio Francisco Javier/Xavier Aguirre-Sacasa. His father has served as Nicaragua’s Foreign Minister, from 2000 to 2002, and as Nicaragua’s ambassador to the U.S. Roberto was raised between Nicaragua and the U.S.

Robert’s mother’s Sacasa family is very prominent in Nicaragua. Roberto’s maternal great-grandfather, Rafael Sacasa y Sacasa, was President of Nicaragua, from 1889 to 1891, and from 1891 to 1893. Roberto is a relative of Silvestre Selva Sacasa, who was the 17th President of Nicaragua, and of Benjamín Lacayo Sacasa, who was the 67th President of Nicaragua.

Roberto’s parents are both Nicaraguan. Roberto’s father is mostly of Spanish, along with distant Italian, from Genoa, through the surname Marengo, descent. Roberto’s mother also has Spanish ancestry, as well as some English, and French, roots.

Robert is a relative of actress Madeleine Stowe, through their descent from Mariano Ignacio de Montealegre y Balmaceda, who was born in Grenada, Spain, and from Mariano’s wife, Manuela Casimira de Romero y Sáenz Vásquez de Quintanilla y Bonilla, who was born in Cartago, Costa Rica.

Roberto’s paternal grandfather was Francisco Aguirre Baca (the son of Horacio Aguirre Muñoz and Pilar Josefina Baca Herdocia). Francisco was born in León, Nicaragua. Horacio was the son of parents surnamed Aguirre Torre and Muñoz Macías. Pilar was the daughter of Pedro Baca Herdocia and Josefina Herdocia Baca.

Roberto’s paternal grandmother was Gladys Sacasa Salinas (the daughter of Rafael Sacasa y Sacasa and Maria Luisa Salinas Bonilla). Gladys was born in León, Nicaragua. Rafael was the son of Roberto Sacasa Sarria and Angela Sacasa Quadra. Maria Luisa was the daughter of Norberto Salinas Ramírez and Rosaura Bonilla Tuzo.

Roberto’s maternal grandfather was Roberto Sacasa Argüello (the son of Juan Bautista Sacasa Sacasa and María Argüello Manning). Roberto was born in Managua, Nicaragua. Juan was the son of Roberto Sacasa Sarria and Angela Sacasa Quadra. María was the daughter of Victorino de Los Santos Argüello Prado and Carlota Maria Manning Alonso.

Roberto’s maternal grandmother was Fermina Zenaida Gómez Argüello (the daughter of José Joaquín Gómez Rouhaud and Casimira Argüello Vargas). José Joaquín was the son of José Miguel Gómez Bendaña and Alma Rouhaud Legrelle. Casimira was the daughter of Luis Argüello Abaunza and María Casimira Vargas Vargas.

Sources:

Genealogy of Roberto Aguirre-Sacasa –

Obituaries of Roberto’s paternal grandfather, Francisco Aguirre Baca –

Information about some of Roberto’s ancestors –

Information about Roberto’s Italian ancestors –