{Nymphas} (Numphan). That is masculine, if autou (his)
is genuine (D E K L) after kat' oikon, but Numpha (feminine)
if aut(8873) (her) is read (B 67). Aleph A C P read aut(936e)
(their), perhaps including adelphous (brethren) and so locating
this church (ekkl(8873)ia) in Laodicea. It was not till the third
century that separate buildings were used for church worship. See
 Ro 16:5  for Prisca and Aquila. It is not possible to tell
whether it is "her" or "his" house here.