Complex sentence: With no work that day, she spent time with her family and made plans to go shopping with her mother after visiting her aunt and uncle (Alice and Thomas Colley), but changed her mind and instead remained with them for the evening.
Split into simpler sentences: With no work that day, she spent time with her family and visited her aunt and uncle, Alice and Thomas Colley, with the plan that she should later go shopping with her mother. Canning changed her mind and instead remained with them for the evening.