Sir Robert Arbuthnott of that Ilk - Documenting Fixing Incorrect parents and wives

There appears to have been a bit of a mix up on this section of the Arbuthnott tree. Here on GENi Robert was placed as the son of Andrew Arbuthnott and Elizabeth Carnegie, and also had 4 wives -
Margaret Arbuthnott (Keith);
Margaret Arbuthnott (Ogilvy) and
Lady Mary Campbell (Keith)
Ex-husband of Margaret Fraser

According to http://thepeerage.com/p1631.htm#i16308 and Burke's Peerage - page 127 Volume 1 107th edition he was the son of James Arbuthnott of Arrat and Margaret Livingstone, and married twice - Lady Margaret Keith, daughter of George Keith, 4th Earl Marischal, on 23 December 1615., and 2nd Margaret Fraser, daughter of Simon Fraser, 6th Lord Lovat and Jean Stewart, on 29 April 1617

He died on 16 March 1633 and his widow Margaret Fraser married 2nd in 1634 to Sir James Haldine.

Sir Robert Arbuthnott of that Ilk; m 1st (contract 23 Dec 1615) Lady Margaret Keith (dsp), dau of 5th Earl Marischal; m 2nd (contract 29 April 1617) Margaret (m 2nd 1653??? (elsewhere 1634) Sir James Haldane of Gleneagles, qv), dau of 6th Lord (Fraser of) Lovat (qv), and d 15 march 1633, having by her had, with three yr sons and three daus (including Jane, m 1st 1633 Alexander Burnett of Leys yr (qv), m 2nd Patrick Gordon of Glenbucket):
Robert Arbuthnutt, 1st Viscount of Arbuthnutt so cr 16 Nov 1641, as also Lord Inverbervie ...

I have rearranged the tree to tie in with these sources. Please get in touch if there are other sources which support the previous information.