Boteler (of Wem, Shropshire, Baron Boteler (cr.1308)): Gules, a fess counter-compony or and sable between six crosses-crosslet argent; a reasonable compromise between two credible sources:

Gules crusilly argent, a fess counter-compony or and sable (Boteler of Wem, Shropshire (Baron Boteler (1308)), per Cokayne, G. E. &amp; Gibbs, Vicary, eds. (1912). The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, extant, extinct or dormant (Bass to Canning). 2 (2nd ed.). London: The St. Catherine Press, p.230, note (f). Note "crusilly" signifies crosses-crosslet;
Gules, a fess compony or and sable between six crosses pattée argent (Burke, Sir Bernard, The General Armory, London, 1884, p.103 "Boteler of Wem and Oversley, Baron Boteler 1308")Descent of Le Boteler of Wem, Shropshire
Ralph le Boteler (c.1074 - c.1140) of Oversley, Shropshire, called "Radulphus Pincerna de Legrecestria" was the butler to Robert, Earl of Leicester. He settled at Oversley, County Warwick during the reign of Henry I. He erected a strong castle there and a mile distant founded a monastery for Benedictine monks (1140);
Robert le Boteler, son and heir (c.1100 - 1169?), living in 1225
Ralph le Boteler, his son and heir (1143 - 1227)
Maurice le Boteler, his son and heir (c.1185 - 1237?), living 1245
Ralph le Boteler, his son and heir (c.1220 - 1281), who married Maud/Matilda Pantulf, daughter and heiress of William Pantulf of Wem
William le Boteler, of Wem and Oversley, son and heir (1245 - 1283), who married Angharad ap Madoc
John le Boteler, eldest son and heir (1266 - 1287), who married Eleanor de Beauchamp, daughter of Walter de Beauchamp of Alcester, Warks, Steward of the King's Household. Died without issue;
Gawine le Boteler (1270 - 1289/90)  (brother and heir), married Alice de Montgomeri. Died without issue;
William le Boteler (1274 - 1334)  (brother and heir), 1st Baron Boteler of Wemme (created 1308), married firstly a certain Beatrice;
William le Boteler, 2nd Baron Boteler (1298-1361), of Wemme, son by first wife Beatrice; married Margaret FitzAlan, daughter of Robert FitzAlan, Earl of Arundel. He had two sons both named William:
William le Boteler I, 3rd Baron Boteler (1295 - 1369) of Wemme, eldest son and heir, married a certain Elizabeth;
William le Boteler II (d. post 1380), second son, also named William (according to GEC Complete Peerage, Vol.12, Part 1, p.418, note (c)), who married Joan de Sudeley, elder sister and heires of her brother John de Sudeley, 3rd Baron Sudeley (1339-1367). His son was Thomas Boteler, 4th Baron Sudeley (1355-1398), whose descendants quartered the arms of Sudeley.
Elizabeth le Boteler (daughter and heiress of William le Boteler I (1295 - 1369) 3rd Baron Boteler), suo jure 4th Baroness Boteler of Wemme, married firstly  Robert de Ferrers, 1st Baron Boteler (d.1380/1) (cr.1375), a younger son of Robert Ferrers, 2nd Baron Ferrers by his wife Agnes de Bohun, a daughter of Humphrey de Bohun, Earl of Hereford; She was predeceased by her son and heir apparent Robert Ferrers (d.1369) who left two daughters, amongst whom both baronies (maternal and paternal) became abeyant. (Cokayne, G. E. &amp; Gibbs, Vicary, eds. (1912). The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, extant, extinct or dormant (Bass to Canning). 2 (2nd ed.). London: The St. Catherine Press, p.233)Other variants
Boteler: Gules, a fess chequy or and sable between six crosses pattée argent (Boteler) (Burke, Sir Bernard, The General Armory, London, 1884, p.103 "Boteler of Woodhall, Hertfordshire"); three versions given under "Butler", pp.154-5: 

Gules, a fess counter-compony argent and sable between three crosses patée of the second (Burke, Sir Bernard, The General Armory, London, 1884, arms of "Margaret Butler wife of Simon, 4th son of Simon 5th Lord Slane", p.154);
Gules, a fess counter-compony argent and sable between six crosses formée fitchée of the second (Heraldic Visit Leics, 1619,"Butler", p.155);
Gules, a fess chequy argent and sable ("Butler", p.155)
Gules, a fess chequy argent and sable between six croslets sable (Blomefield) "Botler");
Gules,  a  fesse  chequy  argent  and  sable between  six  crosses-crosslet  fitchée  or (Farrer, Edmund, Church Heraldry of Norfolk, Vol 1 (1885), pp.49-50[1] "Boteler").
Gules, a fess counter-compony argent and sable between six crosses patée fitchée argent (Boteler of Bramfield, Hertfordshire) (Arms registerd at College of Arms for John Boteler, 1st Baron Boteler of Bramfield (cr. 4 Charles I) (Burke, Sir Bernard, The General Armory, London, 1884, p.103)
Gules, a fess counter-compony argent and sable between six crosses crosslet argent (Boteler of Bramfield, Hertfordshire, variant)  (Burke, Sir Bernard, The General Armory, London, 1884, p.103)
Own work
Lobsterthermidor (talk) 12:39, 7 August 2023 (UTC)