This is because English heraldry has no requirement that women's arms be unique.
From the en.wikipedia.org
Its logo combines the heraldry of Worcestershire, Herefordshire and Shropshire.
From the en.wikipedia.org
Contrast this to American religion, involving less heraldry and more vitality.
From the dailyherald.com
Roundels in British heraldry have different names depending on their tincture.
From the en.wikipedia.org
In Scots heraldry the escutcheon en surtout serves several different purposes.
From the en.wikipedia.org
That was a time when heraldry was ruled by allegorical and astrological views.
From the en.wikipedia.org
This book is one of the earliest writings on heraldry that is available today.
From the en.wikipedia.org
Ecclesiastical heraldry is the tradition of heraldry developed by Christianclergy.
From the en.wikipedia.org
Plants are extremely common in heraldry and figure among the earliest charges.
From the en.wikipedia.org
More examples
The study and classification of armorial bearings and the tracing of genealogies
Emblem indicating the right of a person to bear arms
(heraldic) indicative of or announcing something to come; "the Beatles were heraldic of a new style of music"
Heraldry is the profession, study, or art of devising, granting, and blazoning arms and ruling on questions of rank or protocol, as exercised by an officer of arms. Heraldry comes from Anglo-Norman herald, from the Germanic compound harja-waldaz, "army commander".Appendix I. koro-. ...
(Heralds) A herald, or, more correctly, a herald of arms, is an officer of arms, ranking between pursuivant and king of arms. The title is often applied erroneously to all officers of arms.
(The Heralds) The Heralds is a novel written by Brian Killick in 1973. It is a fictional account of the inner workings of the College of Arms in London. The book follows the exploits of the College's members after the announcement that the current Garter Principal King of Arms will be retiring.
The profession or art of devising, granting and blazoning coats of arms, tracing genealogies and ruling on questions of protocol or rank; An armorial ensign along with its history and description; Pageantry
(Heraldic) Something associated with a symbol or coast of arms.
Which teaches the student how to read accurately the coats of arms etc., used by ecclesiastical and secular lords. It frequently throws light on the family of historical personages, the time or character of particular events, the history of religious monuments. ...