Here is a bit of a cleanup of the first part:
Sciant presentes et futuri quod nos Johanna Brian vidua et williamus Donne dimisimus feoffavimus et hac presenti carta nostra confirmavimus Thome Wellis Nicholao Atkyn Johanni Patmer Williamo Atkyn et Johanni Atkyn totam illam Gravam vocatur Barboursgrove cum pasturis et quadam croftam terre Arrabilis adiacentem cum ?omnibus suis pertinenciis in Suburbis colcestrie videlicet inter terram Abbatis et conventum Sancte Osithe ex parte Aquilonio et pasturam illam que vocatur le hose et quandam venellam ducentam de la grene tye inter Gravam praedictam et gravam quondam Nicholi le groos usque ad mariscum quondam eiusdem Nicholi et postea johanis ?primodicti ex parte Australi Extendens de A capite superiori dicte venelle versus occidentem usque ad terram praedictorum Abbatis et conventum que dicitur Stokcrofte versus orientem sicut sepibus et fossatis undique dividuntur et includuntur ? quidam gravam pasturam et croftam terre arrabilis cum suis pertinenciis imperpetuum
Let all present and future know that we Joan Brian widow and William Dunn have given up, put into legal possession and by this our present charter confirmed to Thomas Wells, Nicholas Atkin, John Patmer, William Atkyn and John Atkyn all that Grove called Barboursgrove with its pastures, and a certain adjacent croft of arable land with all of its appurtenances in the suburbs of Colchester namely between the land of the Abbot and the convent of Saint Osyth on the north part, and that pasture which is called le hose and a certain lane leading from la Grene Tye between the aforementioned Grove and a grove formerly of Nicholas the Fat up to the marsh formerly of the same Nicholas and afterwards of first mentioned John on the southern part extending from the top of the mentioned lane above towards the west to the land of the aforementioned Abbot and convent which is called Stokcrofte towards the east thus divided and enclosed everywhere by hedges and ditches ? the certain grove, pasture and croft of arable land with its appurtenances in perpetuity