Sir Elton John and David Furnish also performed their civil partnership in the Ascot Room.
Civil partnership ceremonies are already carried out in a number of cities, including Bath.
From April 2011, same-sex couples have the right to a civil partnership and to adopt.
Civil partnership campaigners have called for Guernsey to allow them after new laws were introduced in Jersey.
The Home Office could provide evidence of two arrests in relation to an alleged sham civil partnership.
She lived in Sale with her partner Clare and her daughter and had been planning a civil partnership.
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He said there would be great divisions in the Church if clergy in a civil partnership were appointed as a bishop.
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They oppose the Scottish government's draft Marriage and Civil Partnership Bill, which ends its consultation period on Wednesday.
"It's not just for married people, it's also for gay people who are in a civil partnership, " he said.
Ms Ladele was disciplined by Islington Council, in north London, after saying she did not want to conduct same-sex civil partnership ceremonies.
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Since then the father-of-two has divorced and is now in a civil partnership with someone on the island of St Mary's.
He said at one time he thought that civil partnership was enough.
In draft responses to consultation on the Marriage and Civil Partnership (Scotland) Bill, the local authority said it welcomed changes to the law.
The proposals have received cross-party support in Holyrood and the government is continuing to seek views on its Marriage and Civil Partnership (Scotland) Bill.
They stressed that no gay person had been denied either a civil partnership or counselling as a result of their refusal to provide them.
Registrars are encouraged to report their suspicions of a suspect marriage or civil partnership under Section 24 of the Immigration and Asylum Act 1999.
"Currently, if a person discloses that they are in a civil partnership rather than a marriage, they automatically disclose their sexual orientation, " the government says.
In June, a 30-year-old Sri Lankan man was detained as he prepared to take part in a suspected sham civil partnership ceremony at Ealing Register Office.
According to a specimen 2011 census on the Office for National Statistics website, they will also ask about "same sex civil partnership status" for the first time.
The church argued it was not an equality issue, "as all of the significant legal benefits and rights available through marriage are already equally available through civil partnership".
But a more recent precedent is her motion, a year ago, to annul regulations to allow civil partnership ceremonies to be held in church - which had a rather frostier reception.
Portugal had five divorces of same-sex couples in 2011, for example, while Ireland has had one application for dissolution of a same-sex civil partnership since such unions became available at the start of 2011.
The bill would also allow same-sex couples to convert a civil partnership to a marriage and enable married transsexual people to gain legal recognition in their acquired gender without having to end their marriage.
And he's followed that up with a proposal that, should a future monarch join a civil partnership, any child of that partnership, whether by adoption or artificial insemination, should be the heir to the throne.
"However, we do have concerns with the current version of the bill, particularly the provisions which mean that a couple legally married in England or Wales will have their relationship only recognised as a civil partnership in Northern Ireland, " he said.
The other two were Gary McFarlane, 51 - a marriage counsellor fired after saying he might object to giving sex therapy advice to gay couples - and Islington Council registrar Lillian Ladele, who was disciplined after she refused to conduct same-sex civil partnership ceremonies.
"On the one hand the report offers the Church a way of allowing the ordination of ministers in same-sex relationships who have entered into a civil partnership, while protecting both individuals and congregations who in conscience do not agree with the theological principles which underpin that choice, " the spokesman said.
The other cases involved nurse Shirley Chaplin, 57, whose employer also stopped her wearing necklaces with a cross, Gary McFarlane, 51, a marriage counsellor sacked after saying he might object to giving sex therapy advice to gay couples, and registrar Lillian Ladele who was disciplined after she refused to conduct same-sex civil partnership ceremonies.
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"As the demand for same-sex marriage is uncertain, and because these economic benefits are not guaranteed to be additional (for example, the spending on a civil partnership or marriage ceremony may not be additional if the couple and guests cut back on spending in other areas), we use zero benefit as our best estimate, " it explains.
The Justice Department argues civil union and domestic partnership laws may themselves be unconstitutional and that those states should go all the way and grant same-sex couples full marriage rights.
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