Departure (towards New Orleans) of S. S. Orizaba (misspelled as Orizava) from Veracruz on Oct. 25, 1854 lists as passengers: Miguel Retes y familia, Francisco Sepúlveda. These were the men that Pastrana traveled to the U.S. with, so this is likely…
In one letter, Lent asks how he and "a naturalized citizen" can obtain a passport. In a second letter, Theodore and Samuel E. Lent take an oath about the true identities of Theodore and "his ward," Julia Pastrana