William Seymour has been involved in a spat with his parents, the Marquess and Marchioness of Hertford, since 2018, when he married Kelsey, a former Goldman Sachs banker.
Grammer, 69, appeared on Danson's, 77, podcast Everybody Knows Your Name , which he co-hosts with Woody Harrelson , back in October where they talked over their issues.
After Kelsey Parker's husband Tom was diagnosed with a terminal brain tumour in 2020, at just 32, his bandmates from The Wanted rallied round to support her.