A Supportive Family with an Acting Background
Harrison has a good relationship with his parents. They supported him nevertheless in the career he chose. However, Harrison was influenced by the acting background of his parents. His father, Christopher Ford, was once an actor and later shifted his interest to an advertising executive.
Source: Reddit
Similarly, his mother, Dorothy Ford, was an actress. She used to provide her voice for the radio. Also, she attended many red-carpet events and took Harrison along. She died in the year 2007 at the age of 84. Also, Harrison took some of the business skills from his father.