The speaker's parents were Frainc Dhomhnaill Phroinnsiais (c1856–1937/12/21), a brother of Doegen speaker Feidhlimidh 'ac Grianna (qv); and Róise Pheadair Eoin Ní Dhubhthaigh (c1861–1956/06/09) from Anagaire. They married about 1892, and had the following family:
      Domhnall Frainc (c1894–1972), Dublin, an editor with An Gúm, later Registrar of the Dublin Institute for Advanced Studies
      Peadar Frainc (c1896–1982), Loch an Iubhair, as also his sons Joe Pheadair Frainc and Séamus Pheadair Frainc; two other sons, Domhnall and Eoghan, became priests
      Bidí Frainc (c1897–), Loch an Iubhair; her son Frainc 'ag Grianna, folklore collector, died in Boston
      Mary (c1898–), to Gibstown, Co Meath; married Crothar Thaidhg Mac Pháidín
      Neidí Frainc (1899/06/24–1982/01/26), the present speaker
      John (c1902–), Loch an Iubhair; married Hannah Thaidhg Dónaidh 'ic Pháidín
      Sailí (c1904–), to Scotland, married Maclean

In 1901, the household consisted of Frank 45, a farmer; Rose 36; Dan 7, Peter 5, Bridget 4, Mary 3 and Edward 1. The three youngest children had Irish only, while the rest of the family were bilingual. In 1911, there were Frank 55, Rose 50, Peter 19, Bridget 17, Mary 15, Edward 13, John 11 and Sarah 9. All were bilingual. The marriage had taken place 22 years earlier, and the seven children were all living.

At Anagaire on 20/12/1934, Neidí Frainc married Treasa John Chiot Ní Chonaill (1910/09/18–2004/07/02) from Leitir Catha. Their children were:
      Rose (c1935–)
      Francis J B (1937–c2016/05/31), Pontypridd, d'fhág 4 clainne
      Bríd (c1938–), married Charlie Diver, Carraig a' tSeascainn, Gaoth Dobhair
      John (c1939–1999/12/04)
      Danny (c1940–)
      Peadar (1941–1942)
      Kathleen (c1943–)
      Joseph Columba (1945–1946)
      Éamonn (c1948–2015/08/27)
      Colm
      Gearóidín, ceoltóir and seanchaidhe, married Aodh Breathnach, An Áird Mhín

According to Pádraig Ó Baoighill, after leaving school, Neidí went to work as migrant labourer 'ar an Lagán' — in Glenlark, Plumbridge and Drumquin. He then worked three seasons in Scotland, after which he and his brothers bought a small farm in Loch an Iubhair. When he married, the couple went to live in Neidí's home place. They had a large family, but only four sons and four daughters survived until adulthood. Neidí was a seanchaidhe at Coláiste Bhrighde, and gained the storytelling prize at the Oireachtas several times. He was one of those who participated in the Oícheanta Seanchais in the Damer Hall in Dublin. He was a member of Aisteoirí Rann na Feirste.

Neidí Frainc died on 26/01/1982 and is buried at Anagaire. The headstone reads as follows:
      A Thiarna deán trócaire ar
      Phroinnsias Mac Grianna
      Rann-na-Feirste
      fuair bás 21–12–1937, aois 80 bliain
      A bhean chéile Róise
      fuair bás 9–6–1956, aois 89 bliain
      A mac Neddie Frainc
      fuair bás 26–1–82, aois 82 bliain
      A chlann Peadar, Joe, Colm
      fuair bás ina naoidheanáin
      A mhac John
      fuair bás 4–12–1999, aois 60 bliain
      agus a bhean chéile Treasa
      fuair bás 2–7–2004, aois 93 bliain.

Recent references to Neidí Frainc include:
      Pádraig Ó Baoighill, Déirdre, 4–5/1977.
      Ádhbhar le Neidí Frainc ag Gearóid Stockman, An tUltach, 1/1979 p 11; 2/1979 pp 24–5; 3/1979 pp 20–2;
            5/1979 pp 9–11; 8/1979 pp 7–10; 9/1979 pp 5–7; 12/1979 p 17–9;
            1/1980 pp 16–8; 2/1980 pp 3–6; 6/1980 pp 3–6; 12/1980 p 27.
      Gearóid Stockman, "Neddy Frank", An tUltach, 3/1982, p 3.
      Pádraig Ua Cnáimhsí, "Le linn na bhFear Líofa Donn", An tUltach, 5/1982, pp 10–5.
      Diarmuid Breathnach & Máire Ní Mhurchú, Beathaisnéis 4, 1994, p 58.
      Pádraig Ó Baoighill, Ó Cadhain i dTír Chonaill, 2007, pp 67, 265–81, 310.
      Nollaig Mac Congáil and Ciarán Ó Duibhín, Glórtha ón tseanaimsir, 2009, pp 29–32, 73–4.
      Pádraig Ó Baoighill, Oidhreacht Rann na Feirste 1, 2011, pp 22–3.