Looking at the European Studbook for Asian Elephants these young bulls at Dublin come from a mixture of Sri Lankan and Indian subspecies via their father's line. Just thought it was an interesting point to raise:
Kavi and Ashoka (2014) > Upali (1994) > Maxi (1969 Wild in Thailand)
Kavi and Ashoka (2014) > Upali (1994) > Ceyla Himali (1975 Wild in Sri Lanka)
Kavi and Ashoka (2014) > Upali (1994) > Maxi (1969 Wild in Thailand)
Kavi and Ashoka (2014) > Upali (1994) > Ceyla Himali (1975 Wild in Sri Lanka)