Возможно ли в данных предложениях использовать the genitive case? 1) I still remember the kind smile of my old teacher when he heard that 2) The new house of my elder brother John is much better than his old one. 3)...Well, let...

Возможно ли в данных предложениях использовать the genitive case? 1) I still remember the kind smile of my old teacher when he heard that 2) The new house of my elder brother John is much better than his old one. 3)...Well, let's say from one of Jane's friends. И, пожалуйста, если можно, с пояснениями :) Спасибо!