African Leaders who are to attend Mandela Memorial?

According to South Africa's foreign ministry 37 African heads of state and government are scheduled to attend the memorial service for Nelson Mandela in Johannesburg today Tuesday 10 December 2013;Wow, what a great leader was Mandela:

Algeria, His Excellency Mr Abdelkader Bensalah, Speaker of the Council of the Nation (Senate)

Angola, His Excellency Mr Manuel Vicente, Vice President

Benin, His Excellency Boni Yayi, President

Botswana, His Excellency Lt Gen. Seretse Khama Ian Khama, President

Burundi, His Excellency Pierre Nkurunziza, President

Chad, His Excellency Mr Idriss Deby Itno, President

Comores, His Excellency Dr Ikiliou Dhoinine, President

Congo (Republic of the Congo ), His Excellency Mr Denis Sassou-Nguesso, President

Congo (Democratic Republic of Congo), His Excellency Joseph Kabila, President

Cote d Ivoire, His Excellency President Allassane Ouattara, President

Djibouti, His Excellency Ismail Omar Guelleh, President

Ethiopia, His Excellency Ato Hailemariam Dessalegn, Prime Minister

Equatorial Guinea, His Excellency Mr Obiang Mbasogo, President

Gabon, His Excellency Ali Bongo Ondimba, President

The Gambia, His Excellency Prof Alhaji Dr Yahya AJJ Jammeh, President Sheikh

Ghana, His Excellency John Dramani Mahama, President

Guinea, His Excellency Prof Alpha Conde, President

Kenya, His Excellency Uhuru Kenyatta, President

Lesotho, His Excellency, T Thabane, Prime Minister

Liberia, Her Excellency Ellen Johnson Sirleaf, President

Mauritius, His Excellency Dr the Honourable Navinchandra, Prime Minister

Mauritania, His Excellency Mohamed Ould Abdel Aziz, President

Malawi, Her Excellency Joyce Banda, President

Mozambique, President of Mozambique, HE Armando Emilio Guebuza

Namibia, His Excellency Hifikepunye Pohamba, President

Niger, His Excellency Issoufou Mahamdou, President

Nigeria, His Excellency Goodluck Jonathan, President

Saharawi Republic, His Excellency Mr Mohamed Abdelaziz, President

Senegal, His Excellency Macky Sall, President

Seychelles, His Excellency Mr James Alix Michel

South Sudan, His Excellency General Salva Kir Mayardit, President

Swaziland, His Excellency Dr Sibusiso Dlamini, Prime Minister

Tanzania, His Excellency Dr Jakaya Mrisho Kikwete, President

Tunisia, His Excellency Mohamed Moncef Marzouki, President

Uganda, His Excellency Yoweri Kagota Museveni, President

Zambia His Excellency Michael Sata, President

Zimbabwe, His Excellency Robert Gabriel Mugabe, President