Incircle of the First Brocard Cevian Triangle = Circumcircle of the Mid-Arc Triangle of the First Brocard Cevian Triangle.

Nine-Point Circle of the First Brocard Cevian Triangle = Circumcircle of the Euler Triangle of the First Brocard Cevian Triangle.

Nine-Point Circle of the First Brocard Cevian Triangle = Circumcircle of the Feuerbach Triangle of the First Brocard Cevian Triangle.

Brocard Circle of the First Brocard Cevian Triangle = Circumcircle of the First Brocard Triangle of the First Brocard Cevian Triangle.

Brocard Circle of the First Brocard Cevian Triangle = Circumcircle of the Second Brocard Triangle of the First Brocard Cevian Triangle.

Orthocentroidal Circle of the First Brocard Cevian Triangle = Circumcircle of the Fourth Brocard Triangle of the First Brocard Cevian Triangle.

The Incircle of the First Brocard Cevian Triangle is concentric to the Bevan Circle of the Yff Central Triangle of the First Brocard Cevian Triangle.

The Nine-Point Circle of the First Brocard Cevian Triangle is concentric to the Nine-Point Circle of the Fuhrmann Triangle of the First Brocard Cevian Triangle.

The Spieker Circle of the First Brocard Cevian Triangle is concentric to the Radical Circle of the Excircles of the First Brocard Cevian Triangle.

The Spieker Circle of the First Brocard Cevian Triangle is concentric to the Bevan Circle of the Euler Triangle of the First Brocard Cevian Triangle.

The Radical Circle of the Excircles of the First Brocard Cevian Triangle is concentric to the Spieker Circle of the First Brocard Cevian Triangle.

The Radical Circle of the Excircles of the First Brocard Cevian Triangle is concentric to the Bevan Circle of the Euler Triangle of the First Brocard Cevian Triangle.

The Brocard Circle of the First Brocard Cevian Triangle is concentric to the Lemoine Circle of the First Brocard Cevian Triangle.

The Lemoine Circle of the First Brocard Cevian Triangle is concentric to the Brocard Circle of the First Brocard Cevian Triangle.

The Lemoine Circle of the First Brocard Cevian Triangle is concentric to the Circumcircle of the First Brocard Triangle of the First Brocard Cevian Triangle.

The Lemoine Circle of the First Brocard Cevian Triangle is concentric to the Circumcircle of the Second Brocard Triangle of the First Brocard Cevian Triangle.

The Circumcircle of the First Brocard Cevian Triangle is congruent to the Bevan Circle of the Euler Triangle of the First Brocard Cevian Triangle.

The Circumcircle of the First Brocard Cevian Triangle is congruent to the Bevan Circle of the Feuerbach Triangle of the First Brocard Cevian Triangle.

The Spieker Circle of the First Brocard Cevian Triangle is congruent to the Incircle of the Euler Triangle of the First Brocard Cevian Triangle.

The Spieker Circle of the First Brocard Cevian Triangle is congruent to the Nine-Point Circle of the Mid-Arc Triangle of the First Brocard Cevian Triangle.