García de Perea was listed on the 1540 muster as a footman. A couple of years after the return of the Expedition he appeared as a witness in Mexico City. It is possible that he moved on to Guatemala in the early 1550s.
1540-1550:
1540, Feb: Muster in Flint & Flint, Documents, Document 12 [ round shield, sword, native arms, footman]
AGI, Justicia, 270, Pieza 1 [witness is García de Perea, in 1544, in México (no signature on copy)]
1550-1560:
?AGI, Contratación, 197, N. 29/14 [Bienes de difuntos, Julián Aguado; in la villa de Santa María del Valle de Comayagua, Honduras, December 1549, a Luis Hernández, vecino de San Salvador, estante en la villa, testamentario de Julián Aguado, who died six days before; the deceased owes a small debt an Alonso Hernández; a Juan Gómez is a witness and also purchases goods; a Juan Rodríguez purchases goods; in January 1550, in San Salvador, Guatemala, Juan Vázquez de Coronado is alcalde ordinario; more goods are inventoried and auctioned in San Salvador; a Manual Hernández buys 2 jubones, una gorra, un bonete, una escobilla; a García de Perea buys unos zapatos y unos guantes]