case anonymous in what case copyholder shall forfeit their estate Mr Salkeld  cite the follow case as to copyholder forfeit their estate by exceed their  authority as for a tenant for life trespass upon the inheritance by cut timber  Lord rich v Makepeice a Noy a Hoskins v robbins b vent S c lev S c Mod S c  sand S c keb S c pollexfen b brock v bear c Bulst c Rocky v Huggins d W Jones  S c cro car d Paston v Uther e Hutton S c light Rep S c hetley S c winch Ent  see also peachy v duke of Somerset stram e he compare the case of a copyholder  to the case of tenant at will videlicet that which can be a determination of  the will at commonlaw be a forfeiture of his copyhold f see burr Rep and  Goodwin v spray term Rep f Mr Eyre if a tenant for life lie a custom for all  windfall of timber this be a void custom be a great than belong to his estate  for it be a custom to take away that right from the lord which the law give he  without any particular reason to enlarge his privilege further than the nature  of his estate allow g more Fitzherbert Abr devise g a custom for a femecovert  to devise be void for that she have no property h side winch h where a custom  be for the benefit of the estate there a custom to charge it may be good  because of the consideration of the benefit their be blow down by tempest  without the default of the servant shall excuse he from a forfeiture of his  estate but why for this shall the lord modern report lose his property for  before they be blow down the property be in the lord c a godb a this be a  privilege too great for the estate of the copyholder for life and so a void  custom modern report er p Mr king it be not unreasonable that at the original  grant there may be a special agreement between lord and tenant that he shall  not be liable to be enter upon when any such accident happen and in  consideration thereof he may possible promise to plant young tree or do some  other act c holt chief justice it be agree that a copyholder have a possessory  property and when his possession be go his property be go now shall the  severance transfer the property c Powell justice suppose a custom that if the  house fall the material shall be the tenant can that be good again shall the  act of God do a wrong to the lord Frankbank be to encourage the tenant to go  into the war if they be kill the lord will not take the benefit but give the  estate to the wife to encourage they to fight and this Powell justice think be  the original of frankbank