m. (1) Edwatd Arblaster, (2) John Whitfield.

It seems - Burke LG of 1871, p.. 1120 - that a house of her first husband, Westwood House, Staffs, went to her nephew Rev Edward Powys who married Mary Hughes around 1785.  So the line ofEdward and Bridget probably died out.
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Her burial transcription:

First name(s) Bridgett [sic]
Last name Whitfield
Birth year -
Death year 1769
Death date ? ? 1769
Burial year 1769
Burial date 04 Jun 1769
Burial place Shrewsbury, St Julian's
Denomination Anglican
Spouse's first name(s) John
County Shropshire
Archive refererence P256/A/1/3
Page 80
Register type Composite
Register date range 1741-1812
Record set Shropshire Burials

Burial register entry:

“June [1869] 4th Bridgett Widow of Mr John Whitfield ... buried”
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Her probate entry, though only an admon from the image:

First name(s) Bridget
Last name Whitefield
Year 1769
Will year 1769
Parish Shrewsbury
County Shropshire
Country England
Series description Registered wills and original wills, administrations and inventories, 1494-1860,
  and, act books, 1532-1638 for Diocese of Lichfield Episcopal Consistory Court
Piece description Calendar of wills and admons.
Piece surname range -
Piece year range 1726-1775
Record set Staffordshire, Dioceses Of Lichfield And Coventry Wills And Probate 1521-1860

The image adds that the date was 20 June and that it was an Admon.
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The parish register of Holy Cross (The Abbey), Shrewsbury, Shropshire has this entry:

  “June 9  Mr Edward Arblaster & Mrs Bridget Powys marryd by Lycense”
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The licence was mostly in Latin and has been transcribed as:

First name(s) Bridget
Last name Powys
Marriage year 1729
Marriage year as transcribed 1729
Marriage date 07 Jun 1729
Marriage place Holy Cross, Shrewsbury
County Shropshire
Marriage Place 1 Holy Cross, Salop
Residence parish Langdon
Residence county Salop
Spouse's first name(s) Edward
Spouse's last name Heblaster
Spouse's age 26
Spouse's birth year 1703
Spouse's residence parish Langdon
Spouse's residence county Stafford
Country England
Record set Staffordshire, Dioceses Of Lichfield & Coventry
Marriage Allegations And Bonds, 1636-1893

The image of the Licence adds nothing to this thst I can see.
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Their marriage Licence index:

First name(s) Bridget
Last name Arblaster
Status W
Marriage year 1737
Marriage year as transcribed 1737
Marriage date 29 Mar 1737   {recte - Licence date]
Marriage place Hampton
County -
Marriage Place 1 Hampton
Residence parish St Alkmans
Residence county Salop
Spouse's first name(s) John
Spouse's last name Whitfield
Spouse's age 27
Spouse's birth year 1710
Spouse's status B
Spouse's residence parish St Chadd's
Spouse's residence county Salop
Country England
Record set Staffordshire, Dioceses Of Lichfield & Coventry Marriage
  Allegations And Bonds, 1636-1893
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