case Maddox versus stain Lord chancellor king Eq can ab pl devise of a  personal estate to a for life and afterward for her child the yearly interest  and produce to be for their maintenance until the son shall be twentyone and  the daughter eighteen at which respective age their respective portion to be  pay they and for want of such issue then to b a die without issue the devise  over to b good the word for want of such issue be the same as for want of such  child Thomas Lord possess of a considerable personal estate do by his will in  after some legacy devise the residue of his personal estate to his niece Alice  Stains wife of John Stains for her separate use and after her death the yearly  interest and produce thereof to be for the maintenance and education of such  child as she shall have by the say John Stains until the age follow videlicet  until the son shall come to twentyone and the daughter to eighteen who at such  their respective age be to be pay their portion and for want of such issue  then all the say estate to go to the child of Sarah Maddox peer William Alice  Stains die without issue and the child of Sarah Maddox bring their bill  against the executor of Stains for a account of this personal estate and now  dr henchman and dr pinfold together with the attorney and solicitor general  argue that the devise over of this personal estate be after too remote a  possibility it be devise over for want of issue of Alice Stains and particular  Mr solicitor general insist that if the word for want of such issue shall be  intend to signify such child or child of Alice Stains as shall attain the age  of twentyone peer William er p if son or eighteen if daughter yet this will  exceed the rule which confine these bequest especial of mere personal estate  to life in be for this may be above twenty year after the life of Alice Stains  in regard she may die and leave a infant son just bear which will be carry  executory devise further than have yet be do for which be cite side Witmore  and wield vern and Pollexfon Lord chancellor a devise over of a lease for year  or other personal estate after a death without issue or in failure of issue  will have be void but here the devise be to Alice Stains for her life and then  the interest and produce thereof for the maintenance and education of her  child the son till twentyone and the daughter till eighteen and at those age  the principal to be pay to they in equal share and proportion therefore for  want of such issue must be intend for want of such child and whether Alice  Stains shall leave child will be know at her death if she do leave child then  peer William those child be to have the proceed and produce of the estate for  their maintenance until they come to age before which time if they have the  absolute interest therein they can not by reason of their infancy dispose of  it but as soon as they do come to that age then they be to have the entire  property and therefore this be a very good executory devise Reg lib b fol  which decree be affirm on appeal to Lord Chan king Reg lib b foil and again on  a appeal to the house of lord bro p c see the case of Masinburgh versus ash  vern and vol of the chancery Rep vo where the like executory devise of a term  for year be decree to be good by Lord keeper north by the advice of all the  judge of c b who certify the same under their hand the that of February Jones  chief justice levinz Charlton and street justice see Atkinson v Hutchinson a  vol peer William de term S michaelis