Table 2. Relationship of 11 Cleveland Bay mtDNA haplotypes to known Cleveland Bay maternal ancestry lines (total sample = 96).

Haplotype	n	Freq	Ancestry Line
X79547	3	2.1%	Reference Sequence
CB Hap 1	25	26.0%	Lines 1 & 3
CB Hap 2	27	28.1%	Line 6
CB Hap 3	13	13.5%	Line 7
CB Hap 4	21	21.9%	Line 5
CB Hap 5	1	1.0%	Line 2
CB Hap 6	1	1.0%	Grading Register
CB Hap 7	1	1.0%	Line 1 mutation
CB Hap 8	2	2.1%	Non Cleveland?
CB Hap 9	2	2.1%	Line 8 Grading Register
CB Hap 10	1	1.0%	Line 9 Grading Register