Hugh de Moravia 2nd son of Freskin - Hugh de Moravia - 2nd son of Freskin or son of William, son of Freskin???

I am unable to add the document so have pasted the information it into the "About" section until I can.

The other profile involved is Freskin de Moravia of Duffus

Burke's suggest

a Freskin

b1 William d 1204

b1c1 Hugh Freskin or Moray feudal Lord Duffus d between 1214& 1222

b1c1d1 William Moray later 1st Earl of Sutherland d allegedly 1248

b1c1d1e1 William Sutherland 2nd Earl of Sutherland, died by 7 7 1307

b1c1d1e1f1 William Sutherland 3rd Earl of Sutherland d dec 1330
b1c1d1e1f2 Kenneth Sutherland 4th Earl of Sutherland allegedly m Marjory/Mary widow of John de Strathbogie. Killed 19 7 1333

b1c1d1e1f2g1 William 5th Earl d by 19 Jun 1371
m 1 Margaret

b1c1d1e1f2g1h1 John Master of Sutherland bc1346-d c 1361

[b1c1d1e1f2g1 William 5th Earl]
m2 Joanna widow of a, Malise b, Campbell - daughter of Sir John Monteith of Rusky

b1c1d1e1f2g1h2 Robert 6th Earl bc1347 and died by 1427
Married Margaret illegitimate da of Sir Alexander Stewart

b1c1d1e1f2g1h2i1 JOhn Sutherland 7th Earl

AND ON .....

b1c1d1e1f2g1h3 Kenneth of Drummoy

b1c1d1e1f2g2 Nicholaas
b1c1d1e1f2g3 Eustachia m 1330 Gilbert Moray of Culbin

b1c1d2 Walter, feudal Lord of Duffus m Eupheme MacTaggart
b1c1d3 Andrew Bp Moray 1222 died 1242

b1c2 William de Moravia d by 1226
b1c3 Andrew , Parson Duffus 1203

Would we agree that this is probably the best line to follow?