Constance Annie MacDuff Adams was the daughter of Charles Edward Henry Adams and Eleanor Emma MacDuff.

Constance was born in 1892 in Wednesbury, Staffordshire.

Constance married William Maurice Rees in 1915 in Wednesbury,Staffordshire.

She had the following children from her marriage to William Maurice Rees:

- Daniel S. Rees	born in 1915 in Wednesbury, Staffordshire.
- Gwendoline MacDuff Rees	born in 1922 in Wednesbury, Staffordshire.
- William Charles Rees	born on 7 March 1924.
- William Charles Rees	born in 1924 (date suppressed) at West Bromwich, Staffordshire.
- Wilfred Rees	born in 1932 at West Bromwich, Staffordshire.
- John Maurice Rees	born in 1952 (date suppressed).

Details of Constance's death are not known.

Census Data:

Year	Address
1901	Hall Street, Upper Swindford, Stourbridge, Worcestershire.
1911	80, Albert Street, Wednesday, Staffordshire.