Here?s part of what I said?

Traditionally, the
unity candle
involves three candles. The bride has one, the groom the other, and their two
lighted candles light the third candle. This is done to represent the coming
together of the two people to make one unit. In some alternate methods, family
members are invited to participate in the unity candle lighting, often the
mothers of the bride and groom, or other close members of the family.

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http://wedding.ebooklady.com/fun-ideas-for-unity-candles/

Talk to you later,
Freda