Here's a start-
Robert Brown (c1784-2 Feb.1867 Bovagh), Bovagh House, m. Jane (c1785-16 Dec.1867).
Robert Brown was caretaker in Bovagh Castle for the Beresfords until Hezlets came. In 1832 Robert Brown leased another farm in Bovagh and in 1871 when the Marquis of Waterford’s estate was for sale it was still held by the representative of Robert Brown, although the lease had expired in Jan.1871.
1831 census- Bovagh: Robert Brown 1 male, 8 females, 1 male servant (9 Presbyterian, 1 R.C.)
1836 Valuation- Bovagh: Robert Brown house £2.16.0
Coleraine Chronicle, 9 Feb.1867: DEATH- At Bovagh, on the 2nd inst., Mr. Robert Brown, aged 83 years.
1. Jane Brown, 2nd dau., m.(Dec.1832) Malcolm McQuigg, Agivey.
Belfast Newsletter, 7 Dec.1832: MARRIED- On Friday last by the Rev. James Brown, Garva, Mr. Malcolm M’Quigg, of Agivey, Linen Manufacturer, to Jane, second daughter of Robert Brown, Esq., Bovagh Castle, county Londonderry.
2. Martha Brown, 3rd dau., m.(14 Sept.1832) Thomas Hogg, Caheny.
3. Nancy Brown m.(12 Jan.1844 Moneydig Presbyterian Church) David Torrens.
Belfast Newsletter, 23 Jan.1844: MARRIED- On the 12th inst. by the Rev. P.R. , Moneydig, Mr. David Torrance, son of Mr. James Torrance, Coolnaman, to Nancy daughter of Mr. Robert Brown, Bovagh.
4. Rachel Brown, 8th dau., m.(24 Apr.1843 Bovagh Castle) Hugh Torrens.
Belfast Newsletter, 5 May 1843: MARRIED- On the 24th ult., at the residence of the bride’s father, by the Rev. P.R. Killough, Presbyterian Minister, Moneydig, Mr. Hugh Torrance, of Mayoghill, to Rachel, eighth daughter of Mr. Robert Brown, Bovagh.
5. Elizabeth Brown (c1818-18 Feb.1865) m.(29 Mar.1848 Moneydig Presbyterian Church) John Kennedy, Caheny.
?6. Sarah Ann Brown m.(1840) Torrens Alexander, Mayoughill