Lucius & Narcissa & Draco
He was pleased to see his son, showing so with the makings of a smile. While it was strange to have their family made up from different eras, he was happy in the very least they were together. While he did not greet with a hug, he did clap his son's shoulder along with his greeting.
"Hello, Draco, what a pleasant surprise to see that you also have come to the festival. Having an enjoyable time thus far?"