The orchid Vanda Ken Arok is a hybrid registered with the Royal Horticultural Society by D.S.Santoso in 2023.
Top three species ancestors and their influences are

• Vanda merrillii (50.00%)  section: Deltoglossa 
• Vanda sanderiana (37.50%)  section: Roeblingiana 
• Vanda coerulea (7.03%)  section: Longicalcarata