Question: - imagesize is 180px    - successor is william kerns    - party is liberal    - death date is 1912 1841    - predecessor is william durie lyon    - office is ontario mpp mayor of milton , ontario    - spouse is jennie morse      - term end is 1883 1871    - constituency is halton    - term start is 1879 1867    - birth date is 09 july 1841      - image is david robertson , mpp.png    - birth place is esquesing township , halton county , canada west    - occupation is doctor    Given the details above, guess who could this information be about.
Answer:
david robertson -lrb- canadian politician -rrb-