In one touching moment, the Prince of Wales kissed his father on the cheek.
News that the Bad Seeds frontman would be part of the Australian delegation at the coronation left some fans stunned.
"These people are as good as people get, and they love their son."
The musician said reading fans' messages had been "a great source of comfort".
"With much sadness, I can confirm that my son, Jethro, has passed away."
The musician claimed that drugs were a problem during their relationship in the 90s.
His 15-year-old son Arthur died after falling from a cliff in 2015.
'I thought it would be impossible to do this in the public eye. The impulse was to hide.'