Principal English Translation:
they
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 242.
Lockhart’s Nahuatl as Written:
independent pronoun. short form yehhuān, reverential yehhuāntzitzin.
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 242.
Attestations from sources in Spanish:
yecuandin = aquellos (Guatemala, 1637, documento en pipil)
Miguel León-Portilla, "Un Texto en Nahua Pipil de Guatemala, Siglo XVII," Estudios de Cultura Náhuatl 13 (1978), 35–47, y ver 44–45.