‘I hate to be the interfering mother-in-law’: My son bought a house with his wife, so why is his father-in-law is on the deed?

“I asked him if he was also on the deed. He said yes.”

‘I hate to be the interfering mother-in-law’: My son bought a house with his wife, so why is his father-in-law is on the deed?
“I asked him if he was also on the deed. He said yes.”