John Kirkwood of Belfast

[BJK]

I am looking for descendents of John Kirkwood from Belfast, NI, born 1806. He was principle of Roseland National school, Andersonstown, Belfast for 47 years.He was also involved with Malone Presbyterian Church, Belfast. He died in 1870 in Belfast. He married Jane Telford in 1853 and had three known children Richard Hugh, born 1872;Jane born 1870; John born 1869.
Any help would be greatly appreciated.
Will