Lim's eldest son, Lim Leong Geok (1932-2004), was an Executive Director of the SMRT Corporation and a key figure in the development of the Mass Rapid Transit (MRT) and Singapore's public transport system.
Other notable children of Lim include his son Lim Whye Geok and daughter Leow Oon Geok (née Lim), who recounted memories of their parents in interviews [REF].