TFPL, Sep 2004, from Ancestry.com:

Shropshire: Ludlow - Parish Registers, Hereford Diocese
Christenings  
  Christenings  
   Anno Dni. 1559  
County: Shropshire  
Country: England  
19 Mar 1582 William, s. Edward Powys.  
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It looks like him that was Bailiff of Ludlow in 1632 and 1643:

“Richard Baker, Willm Powis   ...   ...   1632

William Powis, Richard Davies   ...   ...   1643”

Ref: “The History of Ludlow” By Thomas Wright, pub 1852, pp. 496-7.
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It looks like he had a daughter Martha, from Ancestry:

England, Select Births and Christenings, 1538-1975

Name:             Martha Powys
Gender:           Female
Baptism Date:     23 Sep 1599
Baptism Place:    Ludlow,Shropshire,England
Father:           William Powys
FHL Film Number:  599486
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