Describe the estates created by the following grants (in all cases, made by Grant):

1. "Albert gives to his daughter, Betty, for life my tract of land in Dominica and then to Cathy's children and their heirs." Cathy is alive and has no children.
2. "To Agnes for life, then to Bob's heirs." Bob is alive and has children.
3. "To Amy for life, then to Brun."
4. "To Alexander for life, then to my husband Ben unless my daughter Carol should run for political office, then to Carol."
5. "To Aiden for life, and then to his heirs who have attained the age of 27."