More information from the AGS Master Name Database.
Albert JONES, 1876 - 25 Dec 1948 73ys 2ms 12dys, born Ill USA,Dad.
Lloyd JONES, 20 Jul 1917 - 22 Aug 1937 at Calgary, son of Albert & Fannie SELLARS.
Baby JONES, - 11 Apr 1942.
All at plot 18-02 of the Travers cemetery which is south east of Calgary.
Peter