We can use singular or plural verbs with many collective nouns, Pamela, and government is one of these. Singular and plural forms are often mixed as are the pronouns that refer back to the nouns in ...

Eccles, Robert G., Jr. "Price, Authority, and Trust: From Ideal Types to Plural Forms." Annual Review of Sociology 15 (August 1989).

Singular and plural forms are often mixed as are the pronouns that refer back to the nouns in the previous sentence. So, all four of your options are correct. My family, who have lived on this ...