Hi Jim,
I had a wee look in the British Vital Records to see if I could find any more children but strangely enough only two of the four have come up. These are as follows:
RAE, Thomas
Gender: Male
Birth Date: 8 Jun 1807
Birthplace: Wilton, Roxburgh, Scotland
Recorded in: Wilton, Roxburgh, Scotland
Father: John RAE
Mother: Margaret DALGLIESH
Source: FHL Film 1067953 Dates: 1702 - 1820
RAE, Andrew
Gender: Male
Birth Date: 28 May 1809
Birthplace: Wilton, Roxburgh, Scotland
Recorded in: Wilton, Roxburgh, Scotland
Father: John RAE
Mother: Margaret DALGLIESH
Source: FHL Film 1067953 Dates: 1808 - 1809
I looked also for a John Rae, born 1807 +/- 4 years (in Roxburgh) and found the following:
REA, John
Gender: Male
Birth Date: 1 Sep 1785
Christening Date: 2 Oct 1785
Recorded in: Bowden, Roxburgh, Scotland
Father: John REA
Mother: Isabel WALKER
Source: FHL Film 1067932 Dates: 1697 - 1855
(One of three children born to this couple)
RAE, John
Gender: Male
Christening Date: 1 Mar 1789
Recorded in: Stitchel, Roxburgh, Scotland
Father: James RAE
Mother: Janet HARDIE
Source: FHL Film 1067952 Dates: 1719 - 1819
(One of five children born to this couple)
Some of the siblings of the second John (born in 1789) are spelt REA.
If you'd like details of either of the above John's siblings, just let me know.
Anne