Paph rothschildianum and Formosa Lady are the parents. Formosa Lady is Paph sanderianum with Susan Booth. Paph rothschildianum genes are 62.5%, Paph sanderianum 25% and Paph glanduliferum 12.5%. Adding more Paph sanderianum in this cross the expectancy will be like Paph Prince Edward of York. This cross has been registered as Shin-Yi March.