The orchid Cattleya Mrs. de Vere Beauclerk is a hybrid registered with the Royal Horticultural Society by Wellesley in 1906.
Top three species ancestors and their influences are

• Cattleya trianae (50.00%)  subgenus Cattleya  section: Cattleya 
• Cattleya dowiana (25.00%)  subgenus Cattleya  section: Cattleya 
• Cattleya bicalhoi (25.00%)  subgenus Crispae  section: Hadrolaelia   series: Hadrolaelia