The orchid Paphiopedilum Sun Pebbles is a hybrid registered with the Royal Horticultural Society by Stewart Inc. in 1975. It is originated by A.Ferguson
Top three species ancestors and their influences are

• Paphiopedilum exul (50.00%)  subgenus Paphiopedilum  section: Paphiopedilum 
• Paphiopedilum glaucophyllum (50.00%)  subgenus Cochlopetalum