Birth Name: Sergio Castaneda Brando (according to this obituary of his mother)
Place of Birth: [possibly] Los Angeles, California, United States
Date of Birth: February 26, 1961
*father – English, Irish, German, Dutch, French Huguenot, Welsh, Scottish
*mother – Mexican
Miko Brando, also credited as Miko C. Brando, is an American actor. He is the son of actors Marlon Brando and Movita Castaneda (born Maria Luisa Castaneda). His sister is actress Rebecca Brando. Among Miko’s half-siblings are/were model Cheyenne Brando. His half-nephew is model Tuki Brando. His aunt, Jocelyn Brando, was also an actress.
Miko’s father’s ancestry included English, as well as Irish, German, Dutch, French Huguenot, Welsh, and Scottish. Miko’s mother was the daughter of Mexican parents.
Miko’s paternal grandfather was Marlon Brando (the son of Eugene Everett/Everet Brando and Marie/Maria Belle Holloway). Marlon was born in Nebraska. Eugene was the son of James Henry Brando and Nancy Hannah Joslin/Jocelyn. Marie was the daughter of Robert Holloway and Catherine/Katherine Emily Thompson.
Miko’s paternal grandmother was Dorothy Julia Pennebaker (the daughter of William Johnson/John Pennebaker and Bessie Grace Gahan). Dorothy was born in Nebraska. William was the son of William Pennebaker and Sarah Elizabeth Salmon/Solmon. Bessie was the daughter of Myles Joseph Gahan, who was born in Dublin, Ireland, and of Julia A. Watts.
Miko’s maternal grandparents were Aurelio Castaneda and Luisa Iglias. Aurelio and Luisa were Mexican. Aurelio was born in Oaxaca de Juárez, Oaxaca.
Sources: Genealogy of Miko Brando – http://wc.rootsweb.ancestry.com
Genealogy of Miko Brando (focusing on his father’s side) – https://www.geni.com
Genealogy of Miko’s paternal great-grandmother, Marie/Maria Belle Holloway (focusing on her father’s side) – http://worldconnect.rootsweb.ancestry.com
Remarriage record of Miko’s paternal great-grandmother, Marie/Maria Belle Holloway, to William A. Gleason – https://www.familysearch.org