Iain MacGregor of Glenorchy, 2nd Chief of Clan Gregor1 
He held the three glens of the rivers Orchy, Strae and Lochy on the opposite watershed to Strathfillan and Glendochart.1 He held the position of 2nd Chief of the Clan Gregor from.1 Iain MacGregor of Glenorchy, 2nd Chief of Clan Gregor also went by the nick-name of Iain ‘Cam’ (or in English, ‘the one-eyed.1‘)
Children of Iain MacGregor of Glenorchy, 2nd Chief of Clan Gregor
- Iain MacGregor, 3rd Chief of Clan Gregor+2 d. 1415
- Gregor MacGregor+2 d. 1415
Iain MacGregor, 3rd Chief of Clan Gregor1 
Iain MacGregor, 3rd Chief of Clan Gregor also went by the nick-name of Iain ‘Dubh’ (or in English, ‘the Dark.1‘) He held the position of 3rd Chief of the Clan Gregor from on 19 April 1390.1
Child of Iain MacGregor, 3rd Chief of Clan Gregor and Dervogill Maclachlan
- Malcolm MacGregor, 4th Chief of Clan Gregor+2 d. 20 Apr 1440
Ewen Maclachlan1
Child of Ewen Maclachlan
- Dervogill Maclachlan+2 d. 1424
Dervogill Maclachlan1 
Child of Dervogill Maclachlan and Iain MacGregor, 3rd Chief of Clan Gregor
- Malcolm MacGregor, 4th Chief of Clan Gregor+2 d. 20 Apr 1440
Malcolm MacGregor, 4th Chief of Clan Gregor1 
He held the position of 4th Chief of the Clan Gregor from in 1415.1
Child of Malcolm MacGregor, 4th Chief of Clan Gregor and Mary (?)
- Patrick MacGregor, 5th Chief of Clan Gregor+2 d. 28 Apr 1461
Mary (?)1
Child of Mary (?) and Malcolm MacGregor, 4th Chief of Clan Gregor
- Patrick MacGregor, 5th Chief of Clan Gregor+2 d. 28 Apr 1461
Patrick MacGregor, 5th Chief of Clan Gregor1 
He held the position of 5th Chief of the Clan Gregor from.1 He lived at Glenstrae, Scotland.1
Child of Patrick MacGregor, 5th Chief of Clan Gregor
- Iain MacGregor, 6th Chief of Clan Gregor+2 d. 24 May 1519
Iain MacGregor, 6th Chief of Clan Gregor1 
It was in his time that the Book of the Dean of Lismore was compiled.1 He lived at Glenstrae, Scotland.1 Iain MacGregor, 6th Chief of Clan Gregor also went by the nick-name of Iain ‘Dubh’ (or in English, ‘the Dark.2‘) He held the position of 6th Chief of the Clan Gregor from in 1461.1
Child of Iain MacGregor, 6th Chief of Clan Gregor and Marion Stewart
- Malcolm MacGregor, younger of Glenstrae2 d. 22 Jun 1498
Marion Stewart1
Her married name became MacGregor.1 She was living in 1522.1
Child of Marion Stewart and Iain MacGregor, 6th Chief of Clan Gregor
- Malcolm MacGregor, younger of Glenstrae2 d. 22 Jun 1498
Malcolm MacGregor, younger of Glenstrae1 
He lived at Glenstrae, Scotland.1