Mom of two, Nicole Muller, 30, died when the gunmen opened fire on another club patron, Donovan Jacobs, 40, on Saturday morning.
Jacobs is said to be linked to the 28s gang and The Firm, allegedly run by Ralph Stanfield.
He was also allegedly a top-ranking general in the gang.
READ: Donkie survives airport ‘hit’
The Daily Voice previously reported that the ex-convict was a building contractor.
READ: ‘Family man’ killed in Cubana shooting
Gang sources claim the hit was put out on Donkie - who was shot four times - following the Cubana attack.
Police sources say battle lines on the Cape Flats have now been drawn, and expect an all-out war.
It has been confirmed that a second person was injured in the shooting at the airport.
This is the third attempt on Donkie's life in the past six months.
He is being treated for multiple gunshot wounds in a Cape Town hospital.