Looking for Info on Savin Family of Hammersmith

My interest is in Ludovicus Savin born c1720 who married Elizabetha ?? c1757 and also their offsprings:-

Elizabetha b. 10.11.1458
Carolus Ludovicus b.5.4.1761
Winifreda b. 9.10.1763
Ludovicus b. 8.12.1765
Joannes Josephus b. 8.12.1765 (twins)
Theresa Letitia b. 6.11.1768
Guilemus b. 13.10.1771

I am a 4th gr grandson of Ludovicus