 Complete the following phrase:  On 29 January 1326, while on his way from Kirkby to Leicester, Beler was killed in a valley near Rearsby by his distant cousin Eustace Folville to whom he had previously made threats of violence. Roger la Zouch, Lord of Lubbesthorpe was named as the instigator of the murder and accessories included two of his sons, IvoEudo la Zouch, the eldest son William la Zouche, 1st Baron Zouche of Harringworth and Robert de Hellewell one of Williams retainers pointing to it having a political element linked to the approaching 