The Glascoed estate was acquired by Sir William Williams (d. 1700) through his marriage with Margaret, daughter and coheiress of Watkin Kyffin of Glascoed, and the Llanforda estate was purchased by Sir William from Edward Lloyd of Llanforda in 1676. They comprise property in p's Llansilin (t's Moelfre, Bodlith, Priddbwll, Lloran, Sycharth, Lledrod, Estynallan, Rhiwlas), Llanarmon Dyffryn Ceiriog, [Llangadwaladr] (t. Tregeiriog), Llanrhaeadr-ym-Mochnant (t's Henfachau, Prys Fechan), [Glyntraean formerly part of Llangollen] (t's Grogeniddon, Hafodgynfor), [Llanarmon Dyffryn Ceiriog] (t. Llywarch), [Llangollen] (t. Dinbren), [Ruabon] (t. Cristionydd Fechan), Llanynys and Derwen, all co. Denb. The following property has been added at various times:. The Glantant estate in p's Llanrhaeadr-ym-Mochnant (t's Trefeilw, Tre-wern, Henfachau, Prys, Gartheryr), [Llangedwyn] (t. Sgrwgan), Llanarmon Mynydd Mawr (Maengwynedd) 1679 onwards, bought from Edward Thelwall, esq., in 1679, previously in Plas-y-ward collection 1672-9; property in p's Abenbury (t. Abenbury Fawr), Wrexham (t. Erlas) 1676 onwards, [Glyntraean] (t. Nant-ygwryd) 1682 onwards, Commote of Ceinmeirch in Isaled 1682-5, p's Gresford, Llanrhaeadr-ym-Mochnant (t. Banhadla) 1684 onwards, Llansanffraid Glyn Ceiriog (t. Nantyr), Llanbedr Dyffryn Clwyd, Llanfair Dyffryn Clwyd, and Ruthin town 1686 onwards, p's Llanfair Dyffryn Clwyd (t. Garthgynan) and Denbigh Park 1688 onwards, Abergele (t. Towyn) 1691 onwards, Llanrhaeadr-yng-Nghinmeirch 1700 onwards, the Cefn Hir Estate in p. Llanrhaeadr-ym-Mochnant 1698 onwards; p's [Abenbury] (t. Abenbury Fawr), [Wrexham] (t. Erlas, Acton) 1700 onwards. Property in p. Ruabon (t. Cristionydd Fechan) is omitted from 1686 onwards, and in p's Llanynys and Derwen from 1678 onwards. Property in p's Oswestry (t's Llanforda, Sychdyn, Trefarclawdd, Trefonnen, Pentre-gaer, Cynhinion), [St Martins] (t. Weston Rhyn), co. Shrop. The following property has been added at various times: Mr Lloyd of Llanforda's late purchase in p. Oswestry (t's Cynhinion, Sychdyn, Pentre-gaer) 1676 onwards; Broome Hall, 1684 onwards; p's [Oswestry] (t. Swinau) [Baschurch] (t. Fitchell) and Overley Hall 1686 onwards; p's Melverley 1698 onwards, [Selatyn] (t. Porkington) from 1692-7. Property in p's [Llansanffraid-ym-Mechain] (t. Llannerchemrys), [Llanrhaeadr-ym-Mochnant] (t's Brithdir, Abermarchnant Ucha, Llanhafon), Hirnant (t. Tre'r Llan), Llangadfan (t's Cyffin, Moelfeliarth), [Llanerfyl] (t. Craen), [Llanfair Caereinion] (t's Peniarth, Bryn-glas), Llanwyddelan, Manafon, [Meifod] (t. Nantymeichiad), Garthbeibio, [Llangadfan] (t. Blowty), Llanwyddyn, Llanfair Caereinion tithes, all co. Mont. The following property has been added at various times: Property in p's [Llanfair Caereinion] (t. Gwenynog) 1678, [Llanfair Caereinion] (t. Dol-ged, Llanllugan 1676; Mr Charles Kyffin's lands in p's Llangadfan, Garthbeibio, Llanfyllin (t. Globwll), Llanfair Caereinion (t's Bryn-glas, Pen-tyrch), Llanfihangell-yng-Ngwynfa] (t. Garthbwlch) 1676, [Llanfihangel-yng-Ngwynfa] (t. Cadwynfaen) 1680, [Llanrhaeadr-ym-Mochnant] (t's Cefn Coch, Castellmoch) 1682-3, [Llanfyllin] (t. Nant-halan), Llanfair Caereinion (t. Brynelen, Gelligason) 1684. Property in p's Hirnant, Llanfyllin, Mochtre, Llandrinio, Pennant, Cemais, [Llanfair Caereinion] (t. Gwenynog) is added from 1686 onwards, [Llangynyw] (t. Mathrafal) 1690, and Llansanffraid-ym-Mechain 1690 onwards. Property in p's [Llanymawddwy] (t. Cywarch), [Llanuwchllyn] (t. Cynllwyd), Llanymawddwy, co. Mer., is added from 1676 onwards. Property in the Prebend of Y Faenol, p's Bodelwyddan (t. Pengwern), Dinorben, Diserth, St Asaph, Bodeugan, co. Flint, is added from 1676-9, 1682-3. From 1686-1701 all property in co. Mont. except p's Hirnant, Llanfyllin, Mochtre, Llandrinio, Pennant, Cemais, [Llanfair Caereinion] (t. Gwenynog) (acquired 1686) and in co. Mer., except Llanymawddwy (acquired 1686) is omitted. Property in Llangynwy (t. Mathrafal) appears only for the years 1690-1. Property in co. Flint is omitted from 1684 onwards. R21/11 (1723) includes 'Dog walks in Hugh Davies Collection'. RA6 (? early 17th cent) contains only property in Shropshire: p's [Llansilin] (t. Sychdyn), [Oswestry] (t's Llanforda, Pentre-gaer, Cynhinion). From RA13 (1702) onwards property in cos Mont. and Mer. is resumed. Collector: Matthew Jones ?1700-15. From R12-R13 (1704-15) onwards the Glascoed and Llanforda Collections are combined with the Plas-y-ward Collection. From 1704 onwards, property in p's [Llandderfel] (t. Betws-y-coed, Nanffreuar), [Llanycil] (t. Streflyn) is added.