Juan Martín de Pueyrredón
Juan Martín de Pueyrredón y O'Dogan ( December 18 , 1777 – March 13 , 1850 ) was an Argentine general and politician of the early 19th century . 
<triplet> Juan Martín de Pueyrredón <subj> December 18, 1777 <obj> date of birth <subj> March 13, 1850 <obj> date of death