Guillermo Wiese de Osma was born in 1927.
Guillermo Wiese de Osma died in 1999.
José de la Riva-Agüero y Osma was born on 1885-02-26.
Guillermo C. de Vega was born in 1931.
Guillermo de Lorenzo was born on May 23, 1948, in Argentina.
Guillermo de Cun was born on February 10, 1929, in Havana, Cuba.
Guillermo de los Santos was born on 1991-02-15.
Guillermo Jullian de la Fuente was born in 1931-11.
Guillermo De Tanti was born on November 5, 1973, in Buenos Aires, Argentina.
Fernando Ransanz was born in Burgo de Osma, in Soria, Castilla y Len, Spain.
Carlos Serrano de Osma died on July 26, 1984, in Alicante, Spain of heart attack.
Guillermo Mota was born on July 25, 1973, in San Pedro de Macoris, Dominican Republic.
Guillermo Zouain was born on September 18, 1986, in Santiago de los Caballeros, Dominican Republic.