Per Drouin- GenealogieQuebec/LAFRANCE/Quebec/Fonds Drouin/St-Francois-de-la-Riviere-du-Sud
1.(# 3896394) Francois BLAIS m. 20 Jan 1845 Marceline Dagneau Laprise,
Grooms parents- Father- Michel Blais, (prdh/ resid of Berthier Sur Mer), Mother- Reine Corriveau(dec'd) -prdh/ (also of Berthier Sur Mer),
Brides- Parents- Father- Jean Baptiste Dagneau Laprise (prdh- resid of St Francois de la Riviere du Sud, Mother- Claire Lemieux (prdh - resid- St Francois de la Riviere du Sud)
Source- Drouin Institutie/GenealogieQuebec.com/ LAFRANCE/Quebec/ Fonds Drouin/ St-Francois-de-la-Riviere-du-Sud, orig. img. id- d1p_10320708.jpg,
https://www.genealogiequebec.com/Membership/LAFRANCE/img/acte/3896394, register.-1845/St.Francois Riviere du Sud, Co Montmagny
2. (# 4186152) Child- Marceline Rose Delima Blais (prdh)b. 6 Nov 1845, Bpt 6 Nov 1845, Parents- Francois Blais (prdh) m. Marceline Dagneau Laprise(prdh), Source- DIGQ/ LAFRANCE/ St-Francois-de-la-Riviere-du-Sud, orig doc img- d1p_10320723.jpg,
https://www.genealogiequebec.com/Membership/LAFRANCE/img/acte/4186152
3.(4186292) -Marie Anatolie(prdh)- b. 20 May 1847, bpt- 20 may 1847, St-Francois-de-la-Riviere-du-Sud, orig. doc id-10320765.jpg, Parents - Francois Blais(prdh), Marceline Dagneau Laprise (prdh),
https://www.genealogiequebec.com/Membership/LAFRANCE/img/acte/4186292
4. Francois Regis Blais, b. 13 Oct 1850, bpt 13 Oct 1850,(reg.bpt #69) St-Francois-de-la-Riviere-du-Sud, Parents- Francois Blais, Marceline Dagneau Laprise, orig. doc id-10320836,
https://www.genealogiequebec.com/Membership/LAFRANCE/img/acte/5661506 (godparents- gdf-Jerome Pane, and gdm-Euphemie Blais)
5. Calixte Blais (resid of St. Ulric)- son of Francois Blais and Marcelline Dagneault Laprise, married on - 5 Oct 1880- Marie Elzire Bonhomme (dau of Charles Bonhomme and Marie Zoe Giroux (parents-resid- of Quebec)- orig. doc. id- d1-_1602a1297.jpg, marg reg. 1880/Quebec, Basilique Notre Dame, PQ, mrg.reg.#39,
https://www.genealogiequebec.com/Membership/LAFRANCE/img/acte/4997420
not finding a Paul in this family yet, but there are quite a few Paul Blais and Napoleon Blais, so I'll keep looking