From Encyclopedia of Heraldry by John Burke and John Bernard Burke (1844)
“Founder of the II. Noble Tribe. Ar. betw. three crows, with ermine* in their bills, a chev. Sable.”
There is even less evidence for Llywarch’s existence than for Hwfa’s; except for one very elaborate family tree with not nearly enough sources, there’s really not much out there. I don’t even have a place to connect to him. He does appear on a couple lists of the Fifteen Tribes, but given their questionable provenance, I’m not sure how far to trust those lists. I’m erring on the side of “not at all.”
*It’s also probably worth saying that I’m genuinely unsure if these crows are supposed to be bearing ermine, as in the small weasely animal, or ermine spots. I don’t trust the Burkes’ blazon that much, and the depiction doesn’t really help.
Blazon: Or two crows (corbies) close in pale sable
The Corbets are a fairly long line of barons and baronets in Shropshire. The line goes back (only a little bit broken) to Roger and Robert FitzCorbet in the Domesday Book of 1086. The Corbet family eventually ended up giving their name to the town of Moreton Toret, where their castle was located. It is now Moreton Corbet. The term “corbet” or “corbie” is derived from the Anglo-Norman “corb,” or “crow,” making these canting arms – and an excellent refutation of anyone who wants to say that canting arms are somehow less prestigious.
Blazon: Gules a castle triple-towered or windowed azure between the pillars of Hercules argent, capitals and bases of the second, intertwined with two banners of the third, charged with the mottos on the dexter “Non Plus” and on the sinister “Ultra”* of the second, in base a stone road leading to the castle door in perspective of the fourth, thereupon six crows close in fess sable, in chief two heads couped and nimbed proper, all within a bordure of the fourth charged with the motto “Colonia Libisosanorum”** of the fifth
*Nothing further beyond
**Libisosa, an ancient city in the region. Ptolemy and various others refer to it in their writings.
Blazon: Party of six; I azure a cross or between four crows close argent; II argent a fret gules, on a canton of the last a lion passant or; III argent five lozenges conjoined in pale gules within a bordure azure charged with seven bezants; IV per pale indented gules and azure, a lion rampant or; V argent on a chevron between three crows close sable, a crescent or for difference; VI sable a chevron or between three cross crosslets fitchy argent; all impaled with per quarterly I and IV chequy or and azure, a fess gules fretty argent and II and III argent a lion rampant per fess sable and gules
Blazon: Per quarterly; I argent a tower enflamed proper (Arenas de San Pedro); II per quarterly i and iv argent a crow close proper upon a base vert, ii and iii or two trees eradicated proper on a base vert (Piedrahita); III azure a castle triple-towered proper, at its gates a horse saliant bearing a knight with lance argent (Arevalo); IV azure a zebra statant on a base proper (Cebreros); pointé in base azure a bridge of three arches over water in base proper, beneath the central arch a boat also proper supporting a passion cross argent (Barco de Ávila); overall in the fess point an escutcheon gules a cathedral argent, on the outer wall a figure of Don Alfonso crowned and robed proper, in base “Ávila Del Ray” sable (Ávila)
King of Lombardy-Venetia, Bohemia, Hungary, and Croatia, Emperor of Austria 1835-1848 (1793-1875)
Blazon: Per quarterly I per pale i barry of eight gules and argent (Hungary ancien), ii gules a cross patriarchal pate issuant from a crown upon three mounts in base all proper (Hungary moderne); II gules a lion rampant double-queued argent, armed, langued, and crowned or (Bohemia moderne); III per pale i argent a serpent erect azure crowned or devouring a child gules (Milan) and ii azure on a base proper a winged lion passant guardant, its forepaws resting on a book expanded argent (Venice), IV per pale i azure a fess gules between a crow close proper in chief and three crowns or in base (Galicia) and ii azure two bars chequy argent and gules (Lodomeria); overall in the fess point an escutcheon tierced per pale, i or a lion rampant gules crowned azure, ii gules a fess argent (Austria), iii or on a bend gules three alerions argent (Lorraine)
King of Hungary and Croatia, 1458-1490, titular king of Bohemia, 1469-1490 (1443-1490)
Blazon: Per quarterly, I barry of eight gules and argent (Hungary ancien); II gules a cross patriarchal pate issuant from a crown upon three mounts in base all proper (Hungary moderne); III azure three lion’s heads couped, caboshed, and crowned or, langued gules (Dalmatia); IV gules a lion double-queued rampant argent, armed, langued, and crowned or (Bohemia moderne); overall in the fess point an escutcheon azure a crow close sable, legged, beaked, and bearing a ring or (Corvinus)