Zhai is the groom's surname, which is homophonic with Xue, but homophonic with Hu.
House car is a special term, which refers to the car decorated with pheasant feathers by ancient empresses; Official boots generally refer to shoes worn by officials and gentry. The groom, who is an official or a gentry, is wearing official boots and driving a chariot to protect Lulu from running on the road of happiness. You can use the rest for yourselves.