John Maccallum, 3rd of Knockalva1 
Children of John Maccallum, 3rd of Knockalva and Margaret Campbell
- Alexander Maccallum2 d. 1743
- Julian Maccallum2
- Neill Malcolm, 11th of Poltalloch+2 b. c 1738, d. 1 Apr 1802
Children of John Maccallum, 3rd of Knockalva and Janet McGillespy
Alexander Campbell of Glenborrodale1
Child of Alexander Campbell of Glenborrodale
Margaret Campbell1
From 1725, her married name became Maccallum.
Children of Margaret Campbell and John Maccallum, 3rd of Knockalva
- Alexander Maccallum2 d. 1743
- Julian Maccallum2
- Neill Malcolm, 11th of Poltalloch+2 b. c 1738, d. 1 Apr 1802
Alexander Maccallum1 
Neill Malcolm, 11th of Poltalloch1 
He was a merchant at Jamaica.1 He introduced extensive reconstruction at Poltalloch and Duntroon, and was much interested in the cutting of the Crinan Canal.1
Children of Neill Malcolm, 11th of Poltalloch and Mary Brisset
- Margaret Malcolm1
- Mary Malcolm1
- Neil Malcolm, 12th of Poltalloch+2 b. 26 Jul 1769, d. Feb 1837
Julian Maccallum1
From 1754, her married name became Campbell.1
Neill Campbell of Ashfield1
- [S37] BP2003 volume 2, page 2571. See link for full details for this source. Hereinafter cited as. [S37]
Janet McGillespy1
From 1741, her married name became Maccallum.1
Children of Janet McGillespy and John Maccallum, 3rd of Knockalva
Donald MacCallum1
He went to Jamaica and managed estates there.1
Colin MacCallum1
He lived at Jamaica.1