According to records, the Aranda Christine has been crossed with Vanda Rothschildiana to become "Peterson" done at the Singapore Orchids in 1968. Also the A. Christine has been crossed with Mary Catherina Bowman to produce a hybrid called " Subang" done by the Lim Chin Orchid Nursery in 1978.
Ref: V.P.E. Phang (1983) A list of Orchid Hybrids of Singapore and Malaysia, 1960 -1980. Singapore University Press, Singapore.