Editing House of Hay

<gallery caption="Coat of Arms" align=center style= "color: #292929;font-size:1.2em;font-weight: normal;text-align:center;font-style: normal;">
Hay.svg|House of Hay<br><span style="font-size:88%; line-height: 1.3em;">Lords of Erroll and Slains<br>Lords Slains<br>Lords Hay of Erroll<br>Earls of Erroll<br>Hereditary High Constables of Scotland</span>
</gallery>

<gallery caption="Cadet Branches" align=center style= "color: #292929;font-size:1.2em;font-weight: normal;text-align:center;font-style: normal;">
Hay of Yester.svg|[[House Hay of Yester]]<br><span style="font-size:88%; line-height: 1.3em;">Lords of Yester and Locherworth<br>Lords Hay of Yester<br>Earls and Marquesses of Tweeddale<br>Issued from Robert de Haya, 2nd son of William de Haya, 1st Lord of Erroll</span>
Hay Naughton.svg|House Hay of Naughton<br><span style="font-size:88%; line-height: 1.3em;">Lords of Naughton<br>Issued from John de Haya of Ardnaughton, Sherriff of Perth 2nd son of William de Haya, 2nd of Erroll</span>
Hay Leys.svg|[[House Hay of Leys]]<br><span style="font-size:88%; line-height: 1.3em;">Lords of Leys and Randerston<br>Issued from William de Haya, 2nd son of David de Haya, 3rd of Erroll</span>
Hay Delgatie.svg|[[House Hay of Delgatie]]<br><span style="font-size:88%; line-height: 1.3em;">Lords of Dronlaw, Delgatie and Ardendraught<br>Issued from Gilbert Hay, 2nd son of Thomas Hay, 7th of Erroll</span>
Hay Fudie.svg|House Hay of Fudie<br><span style="font-size:88%; line-height: 1.3em;">Lords of Fudie and Cassingray<br>Issued from Nicholas Hay, younger son of William Hay, 8th of Erroll</span>
Hay Urie.svg|House Hay of Urie<br><span style="font-size:88%; line-height: 1.3em;">Lords of Urie and Cassingray<br>Issued from Gilbert Hay, younger son of Gilbert Hay, 9th of Erroll and younger brother of William Hay, 1st Earl of Erroll</span>
Hay Laxifirt.svg|House Hay of Laxfirth<br><span style="font-size:88%; line-height: 1.3em;">Lords of Nether Inch and Laxfirth<br>Shetland branch<br>Uncertain cadency</span><!-- Cannot be determined from whom this branch actually descended -->
Hay Strovie.svg|House Hay of Strowie<br><span style="font-size:88%; line-height: 1.3em;">Lords of Strowie<br>Uncertain cadency</span>
Haij.svg|House of Haij<br><span style="font-size:88%; line-height: 1.3em;">Baron Haij<br>Swedish branch <br>Uncertain cadency</span>
Boyd Hay.svg|[[House of Boyd|House of Boyd-Hay]]<br><span style="font-size:88%; line-height: 1.3em;">Lords Hay and Slains<br>Earls of Erroll<br>Barons Kilmarnock<br>Hereditary High Constables of Scotland<br>Matrilineal branch issued from Mary Hay, 14th Countess of Erroll</span>
</gallery>

<gallery caption="Personal Arms" align=center style= "color: #292929;font-size:1.2em;font-weight: normal;text-align:center;font-style: normal;">
William Hay, 3rd Earl of Erroll.svg|William Hay<br><span style="font-size:88%; line-height: 1.3em;">3rd Earl of Erroll<br>Younger son of William Hay, 1st Earl of Erroll and younger brother of Nicholas Hay, 2nd Earl of Erroll</span>
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