| Phalaenopsis Dunhinda | 01 Jan 1966 | Phalaenopsis Katherine Siegwart × Phalaenopsis White Goddess |
| Phalaenopsis Siegmann | 01 Jan 1963 | Phalaenopsis Katherine Siegwart × Phalaenopsis mannii |
| Phalaenopsis Elise Flynn | 01 Jan 1963 | Phalaenopsis Katherine Siegwart × Phalaenopsis equestris |
| Phalaenopsis Barbara Kay | 01 Jan 1963 | Phalaenopsis Katherine Siegwart × Phalaenopsis Barbara Kirch |
| Phalaenopsis Amy Wakasugi | 01 Jan 1962 | Phalaenopsis Katherine Siegwart × Phalaenopsis Mary Lou Stoddard |
| Phalaenopsis Margaret Keoughan | 01 Jan 1961 | Phalaenopsis Katherine Siegwart × Phalaenopsis Thomas Tucker |
| Phalaenopsis Clouds Rest | 01 Jan 1961 | Phalaenopsis Katherine Siegwart × Phalaenopsis Dos Pueblos |
| Phalaenopsis White Monarch | 01 Jan 1960 | Phalaenopsis Katherine Siegwart × Phalaenopsis Cast Iron Monarch |
| Phalaenopsis White Shadow | 01 Jan 1960 | Phalaenopsis Helen Richards × Phalaenopsis Katherine Siegwart |
| Phalaenopsis Vanguard | 01 Jan 1958 | Phalaenopsis Katherine Siegwart × Phalaenopsis Waiakea |
| Phalaenopsis White Goddess | 01 Jan 1957 | Phalaenopsis Katherine Siegwart × Phalaenopsis Wilhelmina Tenney |
| Phalaenopsis Pearl | 01 Jan 1956 | Phalaenopsis Katherine Siegwart × Phalaenopsis Altadena |
| Phalaenopsis Rosée | 01 Jan 1956 | Phalaenopsis Katherine Siegwart × Phalaenopsis Rêve Rose |
| Phalaenopsis Marianne de Jong | 01 Jan 1954 | Phalaenopsis Katherine Siegwart × Phalaenopsis Rothschildiana |
| Phalaenopsis Persephone | 01 Jan 1954 | Phalaenopsis Katherine Siegwart × Phalaenopsis Sylvie |
| Phalaenopsis Vera French | 01 Jan 1954 | Phalaenopsis Katherine Siegwart × Phalaenopsis Pamela |
| Phalaenopsis Sophi | 01 Jan 1954 | Phalaenopsis Tendresse × Phalaenopsis Katherine Siegwart |
| Phalaenopsis Airy Fairy | 01 Jan 1953 | Phalaenopsis Ariadne (1896) × Phalaenopsis Katherine Siegwart |
| Phalaenopsis White Christmas | 01 Jan 1953 | Phalaenopsis Monique × Phalaenopsis Katherine Siegwart |
| Phalaenopsis Vision | 01 Jan 1951 | Phalaenopsis Blizzard × Phalaenopsis Katherine Siegwart |
| Phalaenopsis Celeste | 01 Jan 1951 | Phalaenopsis Katherine Siegwart × Phalaenopsis stuartiana |
| Phalaenopsis Qui-Vive | 01 Jan 1950 | Phalaenopsis Katherine Siegwart × Phalaenopsis Souvenir de Ernest Gratiot |
| Phalaenopsis Helen Richards | 01 Jan 1950 | Phalaenopsis Chérubin × Phalaenopsis Katherine Siegwart |
| Phalaenopsis Giboulée | 01 Jan 1949 | Phalaenopsis aphrodite × Phalaenopsis Katherine Siegwart |
| Phalaenopsis Pink Katherine | 01 Jan 1948 | Phalaenopsis Katherine Siegwart × Phalaenopsis Pink Glory |
| Phalaenopsis Karen | 01 Jan 1947 | Phalaenopsis Doris × Phalaenopsis Katherine Siegwart |
| Phalaenopsis San Marino | 01 Jan 1946 | Phalaenopsis Gilles Gratiot × Phalaenopsis Katherine Siegwart |
| Phalaenopsis Polaire | 01 Jan 1946 | Phalaenopsis amabilis × Phalaenopsis Katherine Siegwart |
| Phalaenopsis Praha | 01 Jan 1946 | Phalaenopsis Katherine Siegwart × Phalaenopsis La Cañada |
| Phalaenopsis Blizzard | 01 Jan 1945 | Phalaenopsis Apparition × Phalaenopsis Katherine Siegwart |
| Phalaenopsis Idylle | 01 Jan 1944 | Phalaenopsis Katherine Siegwart × Phalaenopsis Psyché |
| Phalaenopsis Florence Gunter | 01 Jan 1941 | Phalaenopsis Katherine Siegwart × Phalaenopsis rimestadiana |
| Phalaenopsis Doris | 01 Nov 1940 | Phalaenopsis Elisabethae × Phalaenopsis Katherine Siegwart |
| Phalaenopsis Mary Pierson | 01 Jan 1939 | Phalaenopsis Confirmation × Phalaenopsis Katherine Siegwart |