Alonso del Portillo del Junco (January 30,1868 in Jovellanos, Matanzas, Cuba - 1934 in Havana, Cuba) was the founder of Vinagre Portillo, the largest vinegar producer in Havana and second largest in Cuba.

He was the son of Alonso del Portillo-Martin de Medina and Leonor Rodriguez del Junco-Reuda. He married Mercedes Cristina Marcano-Ayala (1875-1952), the niece of General Luis Marcano-Alvarez, who fought in the Cuban War of Independence, and they had six children, Maria Teresa, Estella, Mercedes, Maria Antonia, Graciella and Alonso del Portillo-Marcano.

References

Historia de Familias Cubanas (Ediciones Universal, Miami, Florida 1985 ISBN 0-89729-380-0)