The family 's children were Clemens , Gunda and Bettina Brentano .
Here , Goethe spent some time in 1814 as a guest of the Frankfurt banking family Brentano .
The family 's children were Clemens , Gunda and Brentano   .
Here , Goethe spent some time in 1814 as a guest of the Frankfurt banking family Brentano .