Early 90s movie.
Man comes back after the end of World War II and his rich family welcomes him at the gates, but this man was in a wheelchair, he became crippled the battlefield... and then he sees for the first time his 3-4 year old son whom his wife gave birth in the war.
I know there was a butler in the house, and I think he told him that German soldier was the staying in the house while he was at war.