Sir John Buchanan-Jardine of Castlemilk, 3rd Baronet (1900-1969) (1900–1969) Parents Robert William Buchanan Jardine Ethel Mary Piercy Children Charles Buchanan-Jardine Caroline Anne Buchanan-Jardine Sir Andrew Buchanan-Jardine of Castlemilk, 4th Bt. Siblings Robert Buchanan Jardine Violet Margaret Florence Jardine Partners Jean Barbara Hamilton Prudence Audrey Haggie