Romance series with one of the books featured a character named Fancy

[Jan]

This book had the character's name - Fancy - in the title. The series is about a family of brothers and two sisters who were fostered by a poor English woman. All of the babies were sired by noblemen except Fancy.

[Rebecca]

Sounds like The Sins for All seasons series by Lorraine Heath

[Smi]

This book is ‘ The Earl Takes a Fancy’ by Lorraine Heath
from the series Sins for All Seasons.

[SamSpayedPI]

The Sins for All Seasons series by Lorraine Heath

The Earl Takes a Fancy for Smi's link.