sentence1: Cathal Ryan, an early board member of Irish non-designated flag carrier, and son of late co-founder Tony Ryan, has died. He was 48, and had been diagnosed with cancer. Cathal became one of Ryanair's first pilots, having trained as one in the 1980s in Sri Lanka, when his father set up the airline in 1985 in trust for his three sons, of which Cathal was the eldest. He left the Far East specifically to join the airline.
sentence2: Garreth Ryan was Cathal's father.