The orchid Paphiopedilum San-Actaeus is a hybrid registered with the Royal Horticultural Society by N.C.Cookson in 1899.
Top three species ancestors and their influences are

• Paphiopedilum insigne (87.50%)  subgenus Paphiopedilum  section: Paphiopedilum 
• Paphiopedilum spicerianum (12.50%)