Byroness (GB)

Dam of Tiger Tulip (GB), Agapanther (GB), Medoras Childe (GB)

Country: GB
Sire: Byron (GB)

Winners (GB & IRE): 3 of 6 runners (50%)
Wins (GB & IRE): 6 from 75 runs
Progeny prize money (GB & IRE): £54,098 GB
Best progeny OR: 78
Foaled: 2010 · out of Parting Gift (GB)

Progeny

All known progeny


2015	Childe Harold (GB)	0	Heather Main	gelding	Thewayyouare (USA)	4	0	0	0.0%	-	£0	31 Aug 18
2016	Medoras Childe (GB)	1	Heather Main	filly	Nayef (USA)	8	0	1	12.5%	60	£4,667	10 May 19
2019	Agapanther (GB)	2	Celine De La Haye	mare	Outstrip (GB)	22	1	1	9.1%	60	£10,354	27 Oct 25
2021	Tiger Tulip (GB)	3	Heather Main	mare	Aclaim (IRE)	26	3	2	11.5%	78	£37,089	14 Sep 26
2022	Blazing Bobcat (GB)	0	Heather Main	filly	Outstrip (GB)	6	0	0	0.0%	56	£0	10 Oct 25
2023	Cougar Force (GB)	0	Heather Main	filly	Land Force (IRE)	9	0	2	0.0%	47	£1,988	13 Sep 26

Every offspring with a British or Irish run since 1990, oldest first, plus unraced offspring we know of from profiles and forward entries.

Progeny's best wins


12 Jun 25	Tiger Tulip (GB)	Newbury	Pump Technology Pentair Jung Pumpen Distributor Handicap	Class 4	69	£7,328
24 May 25	Tiger Tulip (GB)	Windsor	Sporting Times Sri Lanka Handicap	Class 4	64	£5,653
9 Oct 23	Tiger Tulip (GB)	Wolverhampton (AW)	At The Races App Market Movers Restricted Maiden Fillies' Stakes	Class 5	66	£3,564
19 Apr 23	Agapanther (GB)	Kempton (AW)	Unibet Horserace Betting Operator Of The Year Handicap	Class 6	55	£3,140
4 May 22	Agapanther (GB)	Kempton (AW)	racingtv.com Handicap	Class 6	55	£2,916
12 Apr 19	Medoras Childe (GB)	Kempton (AW)	Wise Betting At racingtv.com Handicap (Div I)	Class 6	53	£3,105

Top 20 wins, highest grade first.

Produce by sire


Thewayyouare (USA)	2015	1	1	0	4	0	0.0%	£0	-
Nayef (USA)	2016	1	1	1	8	1	12.5%	£4,667	Medoras Childe (GB)
Outstrip (GB)	2019-2022	2	2	1	28	2	7.1%	£10,354	Agapanther (GB)
Aclaim (IRE)	2021	1	1	1	26	3	11.5%	£37,089	Tiger Tulip (GB)
Land Force (IRE)	2023	1	1	0	9	0	0.0%	£1,988	-

Her known produce grouped by the stallion she was mated with, earliest foal first. Foal years come from age (unraced foals without an age are counted but not dated). GB and IRE records since 1990.

Quick answers

How many winners has Byroness produced?: Byroness (GB) is the dam of 6 runners in Britain and Ireland since 1990, 3 of them winners, with 6 wins from 75 runs between them. Runs abroad are not included.
Who is the best offspring of Byroness?: On British and Irish black type and ratings, the best offspring of Byroness (GB) is Tiger Tulip (GB), by Aclaim (IRE), with a best official rating of 78; the top win came in the Pump Technology Pentair Jung Pumpen Distributor Handicap at Newbury on 12 June 2025.
How much prize money have Byroness' offspring won?: The offspring of Byroness (GB) have earned £54,098 in Britain since 1990.
What is Byroness' pedigree?: Byroness (GB) is by Byron (GB) out of Parting Gift (GB).
Did Byroness race?: Yes. In Britain and Ireland: 20 runs, 3 wins. Runs abroad are not included.
Which stallions has Byroness been mated with?: The known produce of Byroness (GB) is by 5 different stallions, most often Outstrip (GB) (2 foals).
Have Byroness' daughters produced runners?: 1 daughter of Byroness (GB) has produced runners in Britain and Ireland.
Which family does Byroness belong to?: Byroness (GB) belongs to the Parting Gift (GB) female family.

Updated 2026-10-11

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Updated 2026-10-11

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