Using of (instead of apostrophe s)

Using of  (instead of apostrophe s)

1. We normally use an of phrase, not 's, with things or abstract nouns, especially when one thing is part of another:

•  Consequences of Coronavirus

2. We use of to express possession with a long-phrase:

• Luna is the daughter of my friend in Romania.

3. With friend, we often say a friend of + name/noun + 's

• Tom is a friend of my family