1.Alfred (aged 70) in his will, leaves his property as follows:

I leave my share of the property at Top Street to my Children: Charles, David and Elain equally.

I leave my house at Smith Street to my children in fee simple.

Alfred inherited his interest in Top Street from his grandmother to share and share alike with his sister Grace, He purchased his home at Smith Street with his wife Betty thirty years ago as joint tenants.

Betty (aged 65) in her will, leaves her property as follows:

I leave all my property to my husband Alfred.

If Alfred predeceases me, I leave my property to my brother Tom.

Alfred and Betty both pass away at the same time as the result of an accident. Explain how the wills above will be executed.