sentences:  She says she had no relationship with her father.She attended Walthamstow School for Girls, studied European studies with modern languages at the University of Manchester, gaining a first class honours degree, and took a master's degree in industrial relations from the London School of Economics.Grell joined the Labour Party in 1999 having been persuaded to do so by her friend and fellow student Chuka Umunna, who became an MP in 2010.