They had moved to Memom village from Benam village, Kotol commune, Sambour District, Kratie Province in 1973 due to war (Barr & Pawley 2013:28).
Immalisda idiay purok ti Memom manipud iti purok ti Benam, komuna ti Kotol, Distrito ti Sambour, Probinsia ti Kratie idi 1973 gapu ti gubat (Barr & Pawley 2013:28).